Prime Numbers - 7A

What makes a number a composite number?

• It only has 2 factors (1 and itself)

• It is an even number.
  It is an odd number.

• It is an odd number.

• It has more than two factors.

What is a prime number?

• A number with 1 factor

• A number with more than 2 factors

• A number with 3 factors

• A number with exactly 2 factors

What do we call a number that is not prime?

• Component

• Composite

• Composer

• Company

Is every single even number composite? If not, what number is prime?

• Yes

• No, 16

• No, 2

• No, 2 and 4

Is 35 prime or composite?

• Prime

• Composite

Is 51 prime or composite?

• Prime

• Composite

What are all prime numbers divisible by?

• 1, 2, and itself

• 1 and itself

• Every number from 1-10

• They aren't divisible at all

Which list contains the first 5 composite numbers?

• 4,6,7,8,9

• 0,1,4,6,9

• 4,6,8,9,10

• -1,-2,-3,-4,-5

List the first 5 prime numbers:

• 1,2,3,4,5

• 2,3,4,5,6

• 2,3,5,7,8

• 2,3,5,7,11

What is the smallest prime number?