Prime Or Composite Numbers Chart Template Page 3
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2
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7
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12
13
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17
18
19
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42Name
Date
PRIME OR COMPOSITE
A prime number has exactly
A composite number has more
two different factors, itself and 1.
than two different factors.
Example: 7
Example: 12
Factors: 1 and 7
Factors: 1, 2, 3, 4, 6, and 12
Color the prime numbers in the table red.
Remember 1 is not a prime number.
1
2
3
4
5
6
7
8
9
10
11
12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74
75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
CHALLENGE
What is the first prime number after 100?
What is the first composite number after 100?
V
3
Discovering Math, Numbers and Operations, Prime and Composite Numbers . . . or, Prime Time
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