PRIME AND GCD (QUIZ)

Which number is prime?

• 1

• 0

• 4

• 3

What are all prime number divisible by?

• All prime numbers are divisible by 1 and itself.

• All prime numbers are divisible by 0, 1 and itself.

• All prime numbers are divisible by 0 and itself.

• All prime numbers aren't divisible at all.

Which list has only prime numbers?

• 2, 3, 4, 5

• 1, 2, 3, 5

• 2, 3, 5, 7

• 2, 3, 5, 9

Which of the numbers below are not PRIME?

• 7

• 27

• 17

• 37

How many factors does a prime number have?

• 0

• 1

• 2

• 3

What is the Greatest Common Divisor of 32 and 40

• 8

• 6

• 4

• 2

Find the GCD of 121 and 11?

• 11

• 1

• none

• 121

• 0

Find the GCD of 1243 and 1842.

• none

• 0

• 1

• 2

• 6

Find the GCD of 12111 and 14000

• 1

• 3

• 33

• 1101

• 13

Find the GCD of 622 and 1262.

• 1

• 2

• 4

• 8