name the factors of 12.
1, 2, 3, 4, 6, 12
Factors are 1, 2, 3, 6, 9, 18
18
What number comes from the factor pair 2 and 7?
14
A number with exactly 3 factors
4, 9, 25
I am less than 20. My factors are 1, 3, 5, and 15.
15
Name the factors of 49.
1, 7, 49
Factors are 1, 5, 25
25
What is a pair of 25
1 x 25
5 x 5
Largest factor of 27 besides 27
9
I am between 20 and 30. I am divisible by 7.
21, 28
Name the factors of 36.
1, 2, 3, 4, 6, 9, 12, 18, 36
Factors are 1, 2, 3, 5, 6, 10, 30
30
What number comes from the pair 9s
81
A number between 20 and 30 with exactly 4 factors
21, 22, 26, 27
I am a number between 30 and 40. My factors are 1, 2, 4, 8, 16, 32.
32
Name the factors of 24.
1, 2, 3, 4, 6, 8, 12, 24
Factors are 1, 3, 5, 9, 15, 45
45
100 has how many pairs?
1 x 100; 2 x 50; 4 x 25; 5 x 20; 10 x 10
5 pairs
Which number between 40 and 50 has the most factors?
48 (10 factors) 1, 2, 3, 4, 6, 8, 12, 16, 24, 48
I am a multiple of 10. I have factors 1, 2, 5, 10, 20, and 50.
50
Name the factors of 56.
1, 2, 4, 7, 8, 14, 28, 56
Factors are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
72
Name a pair of 39
1 x 39
What is the greatest factor of every number?
The number itself
I am less than 30. I have exactly 8 factors.
24