Answer = 1
Greatest common factor is largest number 37 or less they can both go into evenly.
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The greatest common factor (GCF) of 37 and 74 is 37.
The LCM is their product. The GCF is 1.
To find the Greatest Common Factor (GCF) of 12 and 37, you could list the factors of each and find the one that is greatest that they have in common. In that case, the factors would be: 12: 1, 2, 3, 5, 6, 12 37: 1, 37 the GCF is 1 In this case, though, you shouldn't have to do that. By looking at the numbers, you should notice that 37 is a Prime Number and has no factors in common with the number 12, except for 1.
1
The greatest common factor of 3 and 57 is 3