The common factors of 21 42 and 84 are 21
HCF(21, 77, 84) = 7.
Since 21 is a factor of 84, all of its factors are common.
Their factors are: 77: 1, 7, 11, 77 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The factors of 77 are:1, 7, 11, 77The factors of 84 are:1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84The common factors are:1, 7The Greatest Common Factor (GCF) is:7
1 and 7.
The greatest common factor of the numbers 21 and 84 is 21.
Since 21 is a factor of 84, it is automatically the GCF and all of its factors are common.
The greatest common factor of 77 and 84 is 7.
It is: 7
It is 7
The common factors of 63 and 84 are: 1, 3, 7, and 21