Factors, Multiples, Prime and Composite

What is the least common multiple (LCM) of 3 and 4?

• 8

• 10

• 12

• 14

Which number is a multiple of both 2 and 3?

• 4

• 5

• 6

• 8

What are the first three multiples of 7?

• 7, 14, 20

• 7, 14, 21

• 7, 15, 21

• 8, 14, 21

What are the factors of 12?

• 1, 2, 3, 4, 6, and 12

• 1, 2, 3, and 4

• 2, 3, 4, and 5

• 1, 2, 5, and 10

What is a prime number?

• A whole number greater than 1 that has no positive divisors other than 1 and itself.

• A number that can be divided by 2 without a remainder.

• Any whole number that is less than 1.

• A number that has more than two positive divisors.

What is a composite number?

• A whole number greater than 1 that has exactly two factors.

• A whole number greater than 1 that has more than two factors.

• A whole number that is only divisible by itself and 1.

• A whole number that is less than 1.

List the first 5 multiples of 5.

• 5, 10, 15, 20, 30

• 5, 10, 15, 20, 25

• 5, 10, 15, 20, 35

• 5, 10, 15, 20, 40

How many factors does the number 10 have?

• 2

• 3

• 4

• 5

What is the greatest common factor (GCF) of 8 and 12?

• 2

• 3

• 4

• 6

What is the definition of an odd number?

• An odd number is a whole number that is divisible by 2.

• An odd number is a whole number that is not divisible by 2.

• An odd number is a number that can be expressed as a fraction.

• An odd number is a whole number that is less than zero.