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Q: What is hcf of 45 and 81?

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The GCF is 9.

81

It is: 81 which is the HCF

It is: 81

The hcf of 45 and 40 is 5.

The GCF is 45.

The GCF is 9.

The GCF is 5.

It is: 27

It is: 9

It is: 9

The HCF is 1.

The GCF is 1.

The GCF is 15.

The GCF is 27.

HCF(26, 45) = 1. The numbers are co-prime.

It is: 45+81 = 126

45

HCF is 3

The GCF is 1.

The GCF is 1.

27.

hcf(18, 54, 81) = 9. Using prime factorization: 18 = 2 x 3^2 54 = 2 x 3^3 81 = 3^4 hcf = 3^2 = 9

9

9

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