The multiples of 81 are infinite. The factors of 81 are: 1, 3, 9, 27, 81.
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81 is not prime. Its prime factorization is 3x3x3x3.
There is no GCF of 32 and 81 because no prime numbers go into either 32 or 81
The prime factorization of 81 is 3 * 3 * 3 * 3 or 3^4 The prime factorization for 81 is 3 times 3 times 3 times 3
The grouping of the factors of w^2 + 30w + 81 (a perfect square) is (w + 27) and (w + 3)3 is a prime factor of 27, 30 and 81 but without two terms to compare, there won't be a GCF (not gfc)
Since all numbers have one as a factor, there is no number with three as its only factor.