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The prime factorization of 72 is 2 x 2 x 2 x 3 x 3.
It is: 7*7 = 49 or as 72 = 49
It is: 2*17 = 34
2 x 2 x 7 = 28
2 x 2 x 3 = 12
2 x 2 x 19 = 76
2*3*13 ur welcome
2 x 2 x 2 x 5 = 40
58 = 1 x 2 x 29
71 is already prime.
3x2x2x2
2x2x3x5
44=22x11