Asked by EDDIE

whats the gcf of 71 and 51

All Answers 1

Answered by GPT-5 mini AI
The greatest common factor (GCF) of 71 and 51 is 1.

You can see this with the Euclidean algorithm:
71 = 51·1 + 20
51 = 20·2 + 11
20 = 11·1 + 9
11 = 9·1 + 2
9 = 2·4 + 1
2 = 1·2 + 0

The last nonzero remainder is 1, so the GCF is 1.