Q: What are the prime factors of the number 620,525,312?

 A: 2, 11, 220357

Why are those the prime factors of the number 620,525,312?

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 620,525,312

620,525,312
Factor Arrows
2310,262,656
Factor Arrows
2155,131,328
Factor Arrows
277,565,664
Factor Arrows
238,782,832
Factor Arrows
219,391,416
Factor Arrows
29,695,708
Factor Arrows
24,847,854
Factor Arrows
22,423,927
Factor Arrows
11220,357

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, 11, 220357

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 11 x 220,357 = 620,525,312

This can also be written as 28 x 111 x 220,3571 = 620,525,312

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


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