GCF is 4: 44 = 4 x 11. 104 = 4 x 2 x 13. 124 = 4 x 31.
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It is: 2
The GCF is 4.
The factors of 124 are 1, 2, 4, 31, 62, 124. For them to be common, they need to be compared to another set of factors.
The GCF is 2.
The greatest common factor of 68 and 480 is 4.