Prime & Composite Numbers

Which sentence is true about composite numbers?

• it is odd

• it is even

• it has only 2 factors

• it has more than 2 factors

The number of baseball cards Jack has is a prime number. Which of the following numbers could be the number of baseball cards Jack has?

• 8

• 9

• 10

• 11

Mrs. Fisher told her class to only work the items that are numbered with a prime number. Which number is a prime number?

• 2

• 6

• 4

• 8

Which of the following contains only prime numbers?

• 2, 4, 8, 16, 32

• 3, 5, 7, 9, 11

• 3, 7, 11, 17, 19

• 11, 13, 15, 23, 29

The amount of baseball cards in Tina's collection is a prime number. Which of the following could be the amount of cards Tina has?

• 25

• 46

• 67

• 90

Each of the three digits in Lonnie's apartment number are prime numbers. Which could be Lonnie's apartment number?

• 134

• 263

• 352

• 579

Elly wrote the number 35. Ulysses wrote 39. Maggie wrote 37. Palmer wrote 33. Which student wrote down a prime number?

• Elly

• Ulysses

• Maggie

• Palmer

Brenda said that the number 2 is prime because it has only 2 factors. Carla said that the number 2 is composite because it is even and all even numbers are composite. Who is correct?

• Brenda is correct.

• Carla is correct.

• Both of them are correct.

• Neither of them is correct.

The number of cars on the lot at Patrick's Used Cars is a composite number. How many cars could be on the lot?

• 19

• 37

• 59

• 63

Which statement about prime numbers is true?

• All prime numbers are odd.

• Prime numbers have only 2 factors.

• The first three prime numbers are 3, 5, 7.

• All prime numbers can be divided by 2 with no remainder.