HW: Prime and composite & Recursive review

Prime numbers have: (a)  

• 2 factors
• more than 2 factors

Composite numbers have: ​ (a)  

• more than 2 factors
• 2 fators

Is this number prime or composite?
25

• Prime
• Composite

Is this number prime or composite?
23

• Prime
• Composite

which number below is NOT prime?

• 7
• 4
• 2
• 13

What are all prime numbers divisible by?

• 1, 2, and itself
• 1 and itself
• Every number from 1-10
• They aren't divisable at all

• prime
• composite

Which list has only composite numbers?

• 1, 3, 4

• 2, 4, 6

• 4, 6, 8

• 5, 6, 8

Which number below is composite?

• 7

• 2

• 19

• 22

Which is the only prime number that is even?

• 14

• 22

• 0

• 2