It is: 7 times 13 = 91
22 = 2 x 11
To write a composite whole number as the product of its prime factors is to write its prime factorization.
3675 = 3*5*5*7*7
154 = 2 x 7 x 11
5x5x3
20 as a product of primes = 2 * 2 * 5
5*3
2 * 33 * 72
2*2*2*5*!
14 = 2 x 7
It is: 7 times 13 = 91
22 = 2 x 11
22 x 7
33 ft.
3 x 29 = 87
78 = 2 * 3 * 13