The factors of 28 are:
1, 2, 4, 7, 14, 28
The factors of 46 are:
1, 2, 23, 46
The common factors are:
1, 2
The Greatest Common Factor (GCF) is:
2
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The GCF of 28, 49 and 42 is 7. This leaves you with 4, 7 and 6 respectively. There are no further common factors aside from 1 between these remaining numbers.
hcf = 4 and lcm = 420
The GCF is 23.
The GCF is 46.
The factors of 34 are:1, 2, 17, 34The factors of 46 are:1, 2, 23, 46The common factors are:1, 2The Greatest Common Factor (GCF) is:2
The GCF is 28.