2 x 2 x 3 x 7 = 84
2 x 2 x 3 x 7
1450 as a product of primes = 2 * 5 * 5 * 29
5x5x3
20 as a product of primes = 2 * 2 * 5
5*3
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2 * 33 * 72
The twin primes 41 + 43 = 84.
2*2*2*5*!
14 = 2 x 7
It is: 7 times 13 = 91
22 = 2 x 11