Grade 6 Factoring

Which of the following numbers is divisible by 2?

• 19

• 103

• 504

• 7

Which of the following numbers is divisible by 3?

• 711

• 712

• 713

• none of the above

Which of the following numbers is divisible by 5?

• 10

• 100

• 1,000

• all of the above

True or False: There is no even number that is also a prime number.

• true

• false

True or False: All odd numbers are also prime numbers.

• true

• false

True or False: 1 is a prime number.

• true

• false

Which of the following numbers is a composite number?

• 2

• 3

• 4

• 5

Which of the following correctly shows 12 as a product of primes?

• 4 x 3

• 6 x 2

• 2 x 2

• 2 x 2 x 3

Which of the following correctly shows 48 as a product of primes?

• $2^2\times3$

• $2^3\times3$
  

• $2^4\times3$

• $2^5\times3$

What is the greatest common factor (GCF) of 30 and 45?

• 5

• 9

• 15

• 18