3 is the G.C.F. of 12 and 27
4 x 3 = 12
9 x 3 = 27
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The GCF is 27.
Express the numbers in prime factorisation in power form: 12 = 22 x 31 27 = 33 For gcf multiply together the lowest power of the common primes: gcf of 12 and 27 = 31 = 3 For LCM multiply together the highest power of all the primes (across the numbers): LCM of 12 and 27 = 22 x 33 = 108
The GCF is 27.
The GCF is 27.
GCF(66, 27) = 3.