Number Theory Quizzes, Questions & Answers

All Grades

Prime Numbers Quizzes

Prime Basics (6) Prime Factorization (13) Sieve Of Eratosthenes (5) Twin Primes (5) Primality Tests (1)

class 6th: chapter 1 knowing our numbers

Practice test for class 6th to practice sample question for the enhancing their knowledge. Each question consist of one marks Each question consist of 4 options out of which only...

Questions: 20 | Attempts: 15180 | Last updated: Jan 15, 2026

Sample Question
What is the even prime number?

2

3

1

None of the above

Math Quiz: Take A Short Test On Prime Numbers

Welcome to our Prime Numbers Math Quiz! Are you ready to put your mathematical prowess to the test? Dive into the world of prime numbers and challenge yourself with a variety of qu...

Questions: 10 | Attempts: 5128 | Last updated: Apr 15, 2025

Sample Question
Is 35 a prime number?

Yes

No

Maths Pop up Quiz

The 'Maths Pop up Quiz' assesses understanding of basic mathematical concepts including primes, composites, and arithmetic operations. It challenges learners to distinguish between...

Questions: 10 | Attempts: 3118 | Last updated: Mar 22, 2025

Sample Question
27 is a prime number.

True

False

Divisibility Rules Quizzes

Divisibility By 2 (6) Rules Application (2) Remainder Concepts (6) Number Puzzles (2) Divisibility Proofs (5)

Divisibility Rules Practice Quiz

You must have read about the divisibility rules in your maths textbooks. Do you still remember those rules? If yes, play it out this practice quiz and test your knowledge for the s...

Questions: 10 | Attempts: 15519 | Last updated: Apr 03, 2025

Sample Question
What numbers are divisible by 2, 3, and 10 at the same time?

12

30

80

120

Online Mock Test 1: Number system

Online Mock Test 1: Number system explores various arithmetic concepts such as divisibility, GCD, and remainders. It tests understanding through problems involving factors, greates...

Questions: 10 | Attempts: 8284 | Last updated: Oct 11, 2025

Sample Question
If both 112 and 33 are factors of the number a * 43 * 62 * 1311, then what is the smallest possible value of 'a'?

121

363

3267

33

Divisibility Rules Quiz: Math Shortcuts

Get ready to dive into our Divisibility Test Quiz. This quiz will help you understand and master the rules for checking if one number divides evenly into another. Perfect for brush...

Questions: 10 | Attempts: 917 | Last updated: Apr 03, 2025

Sample Question
Who explained and popularized divisibility rules?

Martin Gardner

Abraham Lincoln

Isaac Newton

Albert Einstein

GCD and LCM Quizzes

GCD Basics (5) LCM Basics (5) Euclidean Algorithm (4) GCD LCM Practice (2) Coprime Numbers (2)

HCF And LCM Quiz Questions For Class 5

Try out these HCF and LCM quiz questions created for class 5th students. When it comes to finding the least common multiple, there are some rules that you are expected to follow to...

Questions: 10 | Attempts: 12969 | Last updated: Oct 22, 2025

Sample Question
The common factor between the numerator and denominator of 6/15 is ______

3

2

5

4

MATHEMATICS JSS 1 LAGOS STATE MINISTRY OF EDUCATION (EDVI)

This Mathematics quiz is designed for JSS 1 students under the Lagos State Ministry of Education curriculum. It assesses skills in finding HCF, LCM, performing arithmetic operation...

Questions: 41 | Attempts: 4088 | Last updated: Aug 07, 2025

Sample Question
Find the HCF of 9, 15, and 24.

(A) 2

(B) 6

(C) 3

(D) 7

Shortcut of LCM and HCF Quiz

LCM and HCF are concepts useful in mathematics as well as in determining the time and distance, pipes and cisterns and so on. There are many shortcuts and tricks in analyzing the c...

Questions: 10 | Attempts: 835 | Last updated: Mar 20, 2025

Sample Question
What is the least common multiple of 3 and 4?

24

12

48

36

Modular Arithmetic Quizzes

Congruence (9) Modulo Basics (5) Congruence Relations (6) Modular Addition (5) Modular Multiplication (3) Modular Inverses (3) Math In Coding (2)

Modular Arithmetic Quiz

This Modular Arithmetic Quiz assesses understanding of calculations within a modular system, focusing on addition, subtraction, and multiplication modulo a number. It enhances prob...

Questions: 5 | Attempts: 2336 | Last updated: Mar 01, 2025

Sample Question
What's 4 + 5 (mod 7)?

2

What do you know about Automorphic Forms on GL(2)?

In the 1970s, a French-American mathematician and an American-Canadian mathematician wrote, authored, and published the book Automorphic Forms on GL(2). As seen in the book, the t...

Questions: 10 | Attempts: 119 | Last updated: Mar 16, 2025

Sample Question
Who wrote the book Automorphic Forms on GL(2)?

H. Jacquet and Robert Langlands

H. Jacquet and Austin Langlands

H. Jacquet and Joel Langlands

H. Jacquet and Robert Langlan

Diophantine Equations Quizzes

Pythagorean Triples (3)

Do you know Pell's equation?

Pell's equation is used in mathematics when there is an equation with two or more unknowns. If you want to challenge your knowledge and test your informations, take this quiz!

Questions: 10 | Attempts: 215 | Last updated: Mar 21, 2025

Sample Question
Who was the first European that found the solution for Pell's equation?

William Brouncker

John Pell

Bathsua Makin

Leonhard Euler

Top Trending Number Theory Quizzes

Number Identification: Rational Or Irrational Quiz

Welcome to our "Rational or Irrational Quiz," where you can put your mathematical knowledge to the test by determining whether given numbers are rational or irrational. This quiz is designed for students, educators, and...

Questions: 10 | Attempts: 24168 | Last updated: Jan 15, 2026

Sample Question
Which of the following numbers is not a rational number?

1/2

.25

√ 2

-23

First Term Math Review

This review/quiz is intended for the Grade 1 of DLSZ.

Questions: 15 | Attempts: 611 | Last updated: Feb 19, 2025

Sample Question
Odd numbers tells the position of numbers.

True

False

Factors and Multiples Exercise [level 1]

This Level 1 exercise on Factors and Multiples tests understanding of basic number theory concepts. It assesses the ability to identify factors and multiples of given numbers, recognize composite numbers, and determine numbers...

Questions: 20 | Attempts: 2023 | Last updated: Jan 14, 2025

Sample Question
Which of the following numbers is a factor of 6 ?

12

2

8

10

Math: Can You Pass The Number System Quiz?

Challenge your understanding of the number system with this engaging quiz! Test your knowledge on rational, irrational numbers, and more. Determine if you can classify numbers and understand their properties effectively. Perfect...

Questions: 20 | Attempts: 16258 | Last updated: Apr 15, 2025

Sample Question
Decimals, whole numbers, and natural numbers can ALL be rational numbers....if we CAN put them into a FRACTION!

True

False

Integers and Set Of Real Numbers Quiz

Are you aware of integers, whole numbers, and sets of real numbers? Well then, why not test your knowledge with a quick, super fun quiz? Do you think you can answer all the questions without any help? If yes, then give our Math...

Questions: 10 | Attempts: 9004 | Last updated: Oct 16, 2025

Sample Question
Identify the set(s) to which the number 21 belongs.

Natural numbers

Whole numbers

Integers

Rational numbers

Popular Number Theory Quizzes

Test Your Basic Maths Knowledge!

Questions: 15 | Attempts: 13460 | Last updated: Oct 16, 2025

Sample Question
If be a rational number. Then has decimal expansion which terminates:

After two decimal places

After five decimal places

After three decimal places

After four decimal places

Real Numbers Quiz Questions and Answers

Questions: 10 | Attempts: 8358 | Last updated: Oct 11, 2025

Sample Question
What is a rational number?

A number that cannot be written as a fraction

A number that can be written as a fraction

An infinite, non-recurring decimal.

A surd

Properties Of Numbers Quiz Questions

Questions: 10 | Attempts: 4498 | Last updated: Oct 13, 2025

Sample Question
Which property does the following expression represent? 8 * 1 = 8

Distributive Property

Identity Property of Multiplication

Commutative Property of Multiplication

Identity Property of Addition

Recent Number Theory Quizzes