The greatest common factor of 90 and 135

The greatest common factor of 90 and 135

90=2×3×3×5
135=3×3×3×5
So the greatest common factor of 90 and 135 is 3 × 3 × 5 = 45

The greatest common factor of 90 and 15

The greatest common factor of 90 and 15 = 15
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The greatest common factor of 90 and 50

The greatest common factor of 90 and 50 is 10. I hope I can help you