prime and composite numbers 4th grade

witch number is prime?

• 99

• 31

• 15

witch numbers are composite?

• 22

• 5

• 9

• 107

99

• prime

• composite

72

• composite

• prime

• odd

• even

11

• composite

• prime

prime numbers

• 12,33,15,5

• 1,3,5

• 3,5,7,11,13

• 2,4,6,8,10

composite numbers

• 2,4,6,8,

• 99,9,44,8

• 99,9,44,8,2

• 3,5,7,11,13,17

Molly says that 24 is prime. Sally says that 24 is composite. Who is correct?

• Molly

• Sally

• Mia

witch is not prime?

• 11

• 23

• 72

• 5

Bonus: 18678688792, prime or composite

• composite

• prime