Q: What are the prime factors of the number 630,520?

 A: 2, 5, 11, 1433

Why are those the prime factors of the number 630,520?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 630,520

630,520
Factor Arrows
2315,260
Factor Arrows
2157,630
Factor Arrows
278,815
Factor Arrows
515,763
Factor Arrows
111,433

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 5, 11, 1433

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 11 x 1,433 = 630,520

This can also be written as 23 x 51 x 111 x 1,4331 = 630,520

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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