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2 x 2 x 2 x 3 x 3 = 72
2 * 33 * 72
5x5x3
20 as a product of primes = 2 * 2 * 5
5*3
14 = 2 x 7
72 = 2 x 2 x 2 x 3 x 3
As a product of its prime factors: 2*2*2*3*3 = 72
1450 as a product of primes = 2 * 5 * 5 * 29
3136 = 26*72
2*2*2*5*!
It is: 7 times 13 = 91
22 = 2 x 11