The factors of 12 are: 1, 2, 3, 4, 6, 12
The factors of 21 are: 1, 3, 7, 21
The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30
The common factors are: 1, 3
3
The GCF is 3.
3
The least common multiple of the numbers 21 and 30 is 210.
The GCF is 5.
The GCF is 6.
It is: 2
The Greatest Common Factor of 21, 30, 44: 1
The least common factor of any set of integers is 1.
The LCM of 21 & 30 is... 210
The common factors of 30 and 40 are 1, 2, 5, 10
The GCF is 6.