Prime FACTORIZATION of 81:
3^4
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For 13: 13 For 81: 3
The multiples of 81 are infinite. The factors of 81 are: 1, 3, 9, 27, 81.
1, 3, 9, 27, 81 81 27,3 9,3,3 3,3,3,3
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
81 = 1 x 81, 3 x 27, 9 x 9, 27 x 3, 81 x 1