What's my number?
Prime or Composite?
WILD CARD
Prime Factorization
Test-Like Questions
100

I am the only prime number that is also even. 

2

100

46

Composite

100

Sally and Steven hiked the same trail. Sally hiked 2.7 miles more than Steven. Steven hiked 5.9 miles. How far did Sally hike? 

8.6 miles

100

97

1 x 97

It's a prime number! 

100

Which of the numbers below are prime numbers?

                         2, 13, 25, 31, 42

A. 13 only

B. 2 and 13 only

C. 25 and 42 only

D. 2, 13, and 31 only

D. 2, 13, and 31 only

200

Composite number

Divisible by 5

Less than 20, greater than 12

15

200
23

Prime

200

What is the value of the digit 9 in this number: 128,021.95

0.9 

9 tenths 

200

30

2 x 3 x 5

200

The number of brownies Ella made for a party is a composite number. How many brownies could Ella have made? 

a. 12

b. 19

c. 7

d. 23

a. 12

300

Prime number between 1 and 88

4 less than a number that is 1 more than half of 100 


47! 

300

37

Prime

300

What is the largest desert on Earth? 

Antartica!!

300

36

2 x 2 x 3 x 3

300

A fruit packing company uses rectangular boxes for its oranges. For 6 oranges, the box used can be arranged in two different ways. The top view of the boxes that had 6 oranges are shown below. Which number of oranges can be arranged in only one rectangular top view?

A. 2

B. 10

C. 8

D. 15

A. 2

400

Composite number less than 50 

I am a multiple of 2 

If you reverse my digits, I become a prime number

The sum of my digits is 11

38

400

0

NEITHER

400

Which of the following is NOT a parallelogram?

a. square

b. rhombus

c. rectangle

d. trapezoid

d. trapezoid

400

2 x 2 x 2 x 3 

24

400

Which statement about the number zero is true?

A Zero is neither prime nor composite.

B Zero has infinite multiples and is prime.

C Zero has exactly two factors and is prime.

D Zero has infinite divisors and is composite.

A Zero is neither prime nor composite.

500

Neither prime NOR composite

0 AND 1

500

115

Composite

500

What holiday is closest to Ms. O'Neill's birthday?

New Year's Day

500

21

3 x 7

500

Which set contains only composite numbers?

A {12, 15, 19, 25}

B {22, 27, 31, 39}

C {40, 45, 47, 49}

D {51, 54, 55, 58}

D {51, 54, 55, 58}