Definitions
Prime Number
A number with only 2 factors.
4
1, 2,4
6
Composite
Factors: 1, 2, 3, 6
5
5, 10, 15,...
Students 1 2 ? 5 8 ? 12
Pencils 3 ? 12 15 24 30 ?
Students 1 2 4 5 8 10 12
Pencils 3 6 12 15 24 30 36
Composite Number
A number with more than 2 factors
7
1, 7
2
Prime
Factors: 1, 2
7
7, 14, 21,...
Students 1 2 ? 5 8 ? 12
Pencils 5 ? 20 25 ? 50 ?
Students 1 2 4 5 8 10 12
Pencils 5 10 20 25 40 50 60
Product
The answer to a multiplication problem
10
1, 2, 5, 10
11
Prime
Factors: 1, 11
16
16, 32, 48,...
Students 1 ? 4 ? 8 10 ?
Pencils 9 18 ? 45 ? ? 99
Students 1 2 4 5 8 10 11
Pencils 9 18 36 45 72 80 99
Factors
Any number that we multiple to get a product
17
1, 17
22
Composite
Factors: 1, 2, 11, 22
24
24, 48, 72,...
Students 1 2 4 ? 8 10 ?
Pencils 12 ? ? 60 ? ? 132
Students 1 2 4 5 8 10 12
Pencils 12 24 48 60 96 120 132
Factor Pairs
pairs of whole numbers that can multiple to produce a product
36
1, 2, 3, 4, 6, 9, 12, 18, 36
51
Composite
Factors: 1, 3, 17, 51
37
37, 74, 111,...
Students 1 2 ? ? 9 ? 12
Pencils 14 ? 42 84 ? 140 ?
Students 1 2 3 6 9 ? 12
Pencils 14 28 42 84 126 140 168