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Q: Do 45 and 80 share a common factor?

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The greatest common factor (GCF) is 5.

1 and 5

The GCF is 5.

It is: 5

the GCF or greatest common factor of 45, and 80 is 5

The GCF of 45 and 80 is 5. Prime factors: 45 = 5x3x3 80 = 5x2x2x2x2 the only prime factor in both is 5, and so the highest common factor is 5. Alternative method: 80 mod 45 = 35 45 mod 35 = 10 35 mod 10 = 5 10 mod 5 = 0 so HCF = 5.

45: 3 5 80: 2 5

The greatest common factor of 54 and 80 is 2

The Greatest Common Divisor (GCD) for 45 80 is 5.

The greatest common factor of 80 , 180 = 20

The greatest common factor of 80 and 120 is 40.

The greatest common factor of 25 and 80 is 5.

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