Question

Gcf of -28, 60, and 72

Answer 1

Answer: 12

Explanation:

Therefore, the highest common factor of 60 and 72 is 12.

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Answer 2

4

Explanation:

-28 = ±2^2 x ±7
60 = ±2^2 x ±3 x±5
72 = ±2^3 x ±3^2
=> Gcf of -28, 60, 72: 2^2 = 4