Memory Challenge
Multiplication
Multiples
Factors
prime/composite
100

What is a factor?

A factor is a number that divides into another number exactly and without leaving a remainder.

100
What is 15 x 6 ?
90
100

1,3,7,21

21

100

24

1,2,3,4,6,8,24

100

1

Neither prime of Composite
200

What is a multiple

A multiple is the result of multiplying a number by an integer

200
What is 12 x 12 ?
144
200

1,2,3,4,6,12

12

200

25

1, 5, 25

200

11

prime

300

What is Prime Factorization?

"Prime Factorization" is finding which prime numbers multiply together to make the original number.

300
What is 26 x 5 ?
130
300

1, 7, and 49

49

300

11

1,11

300

6

composite

400

What are prime numbers?

Prime numbers are numbers that have only 2 factors: 1 and themselves.

400
What is 64 x 8 ?
512
400

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, and 96

96

400

28

1,2,4,7,14,28

400

37

Prime

500

What are composite numbers

Composite numbers are whole numbers that have more than two factors

500
What is 21 x 24 ?
504
500

1, 2, 4, 8, 16, 32 and 64 

64

500

36

1,2,3,4,6,9,18,36

500

54

composite