What are the factors of 13?
1 and 13
What are the first 10 multiples of 7?
7, 14, 21, 28, 35, 42, 49, 56, 63, 70.
highest common factor of 2 and 4
2
lowest common multiple of 2 and 3
6
What is 10 x 10?
100
What are the factors of 8?
1, 2, 4 and 8.
What are the first 10 multiples of 8?
8, 16, 24, 32, 40, 48, 56, 64, 72, 80.
highest common factor of 3 and 6
3
lowest common multiple of 4 and 6
12
What is 11 x 11?
121
What are the factors of 17?
1 and 17.
What are the first 10 multiples of 9?
9, 18, 27, 36, 45, 54, 63, 72, 81, 90.
highest common factor of 9 and 12
lowest common multiple of 4 and 6
12
What is 15 x 15?
225
What are the factors of 20?
1, 2, 4, 5, 20
What are the first 10 multiples of 11?
11, 22, 33, 44, 55, 66, 77, 88, 99, 110.
highest common factor of 20 and 30
10
lowest common multiple of 6 and 9
18
What is 20 x 20?
400
What are the factors of 40?
1, 2, 4, 5, 8, 10, 20 and 40.
What are the first 10 multiples of 12?
12, 24, 36, 48, 60, 72, 84, 96, 108, 120.
highest common factor of 30 and 40
lowest common multiple of 8 and 12
24
what is 25 x 25
625