Oh, what a happy little question! Let's break down 630 into its prime factors. We start by dividing it by 2 to get 315, then by 3 to get 105, then by 3 again to get 35, and finally by 5 to get 7. So, the prime factors of 630 are 2 x 3 x 3 x 5 x 7.
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As a product of its prime factors: 3*7 = 21
As a product of its prime factors: 3*7*7 = 147
Numbers that have 2 factors are prime numbers; Numbers that have 4 factors are either: * the cube of a prime; or * the product of two different primes; Numbers that have 8 factors are either: * a prime to the power 7; * the product of a prime cubed and different prime; * the product of three different primes.
201
As a product of its prime factors: 3*3*7*7 = 441 Its square root is 21 or as 3*7 as the product of its prime factors