Prime/Composite
Divisibility
Factors
Simplify Fractios
GCF
100
76
Composite
100
What is the divisibility rule for 2?
The last digit must be an even number 0, 2, 4, 6, or 8
100
What are the factors of 21?
1, 3, 7, 21
100
50/75
2/3
100
Find the GCF of 33 and 121
11
200
98
Composite
200
What is the divisibility rule for 3?
The sum of the digits can by divided by 3.
200
What are the factors of 76?
1, 2, 4, 19, 36, 72
200
32 : 70
16:35
200
Find the GCF of 6, 10, 12
2
300
7
Prime
300
What is the divisibility rule for 6?
The number must be divisible by 2 and 3.
300
What are the factors of 19?
1, 19
300
61/102
61/102
300
What is the GCF of 96 and 56
8
400
61
Prime
400
When is a number divisible by 9?
If the sum of the digits is divisible by 9
400
What are the factors of 82?
1, 2, 41, 82
400
56:96
7:12
400
What is the GCF of 18, 42, 60
6
500
What are the first 5 prime numbers
2, 3, 5, 7, 11
500
Is the number 44, 616 divisible by 2, 3, 5, 6, 9, 10?
2, 3, and 6
500
What are the factors of 75?
1, 3, 5, 15, 25, 75
500
99:66
3:2
500
What is the GCF of 36, 50, 130
2
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