Factors And Multiples Exercise [level 2]
25 Questions
| Attempts: 369
.
Questions and Answers
- 1.3 is a factor of 111.
- A.
True
- B.
False
- 2.Which of the following numbers is prime?
- A.
123
- B.
111
- C.
131
- 3.An even number is divisible by 2.
- A.
True
- B.
False
- 4.An odd number is always divisible by 3.
- A.
True
- B.
False
- 5.Prime number has only one factor.
- A.
True
- B.
False
- 6.1 is a composite number.
- A.
True
- B.
False
- 7.If a number is prime, then it has at least 3 factors.
- A.
True
- B.
False
- 8.2 is always a factor of even number.
- A.
True
- B.
False
- 9.If 8 is a factor of a number, then 4 is also a factor.
- A.
True
- B.
False
- 10.If 9 is a factor of a number, then 2 is also a factor.
- A.
True
- B.
False
- 11.If 10 is a factor of a number, then 5 is also a factor.
- A.
True
- B.
False
- 12.If the GCF of two numbers is 1, then the LCM is the product of two numbers.
- A.
True
- B.
False
- 13.If the GCF of 2 numbers is odd, then both numbers are _____.
- A.
Even
- B.
Odd
- C.
Sometimes even, sometimes odd
- 14.If the GCF of 2 numbers is even, then both numbers are _____.
- A.
Even
- B.
Odd
- C.
Sometimes even, sometimes odd
- 15.The GCF of 2 numbers is always ______ their LCM.
- A.
Less than
- B.
Greater than
- C.
Equal to
- 16.What is the GCF of 3 and 12?
- 17.What is the GCF of 30 and 18?
- 18.What is the GCF of 12, 24, 72?
- 19.What is the GCF of 6, 32, 128?
- 20.What is the LCM of 11 and 10?
- 21.What is the LCM of 14 and 20?
- 22.What is the LCM of 3, 12 , 16?
- 23.What is the LCM of 6, 10, 15?
- 24.What is the sum of the GCF and LCM of 40 and 48?
- 25.What is the sum of the GCF and LCM of 20 and 125?
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