1, 2, 4, 8
The common factors are: 1, 2, 4, 8.
It is 8
The common factors are: 1, 2, 4, 8.
The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24 The factors of 64 are: 1, 2, 4, 8, 16, 32, 64 The factors of 88 are: 1, 2, 4, 8, 11, 22, 44, 88 The common factors are: 1, 2, 4, 8
24 = 23 x 3 64 = 26 88 = 23 x 11 factors in common: 23... 1, 2, 4 & 8
The Highest Common Factor is: 8
The Greatest Common Factor = 8
Since 24 is a factor of 72, all of its factors are common.
The factors of 64 are all 2s and the factors of 81 are all 3s. The greatest common factor is 1, since they have no factors in common. ■
1, 2, 4 and 8
1, 2, 4, 8
1, 2, 4, 8