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GCF of 77 and 19. GCF of 84 and 62.
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How to find the GCF of 18 and 27
The prime factorization of 18 is: 2 x 3 x 3.
The prime factorization of 27 is: 3 x 3 x 3.
The prime factors and multiplicities 18 and 27 have in common are: 3 x 3.
3 x 3 is the gcf of 18 and 27.
gcf(18,27) = 9.
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Step-by-step explanation:
HCF by multiplication method
18= 2×3×3
27=3×3×3
Hcf=3×3
=9
so the HCF of 18 and 27 is 9.
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