Factors
What are the factors of 13?
1 and 13
What are the multiples of 7?
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84
highest common factor of 2 and 4
2
lowest common multiple of 1,2 and 3
What is 10 x 10?
100
What are the factors of 8?
1, 2, 4 and 8.
What are multiples of 8?
8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96
highest common factor of 3 and 6
3
lowest common multiple of 2, 4 and 6
What is 20 x 20
400
What are the factors of 17?
1 and 17.
What are multiples of 9?
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108
highest common factor of 9 and 12
lowest common multiple of 3, 4 and 6
225
What are the factors of 20?
1, 2, 4, 5, 20
What are multiples of 11?
11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, 132,
highest common factors of 20 and 30
10
lowest common multiple of 3,6 and 9
18
What is 16 x 16
256
What are the factors of 40?
1, 2, 4, 5, 8, 10, 20 and 40.
What are multiples of 12?
12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144
highest common factor of 30 and 40
lowest common multiple of 4,8 and 12
what is 25 x 25
625