Q: What are the prime factors of the number 250,373,585?

 A: 5, 7, 11, 61, 1523

Why are those the prime factors of the number 250,373,585?

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 250,373,585

250,373,585
Factor Arrows
550,074,717
Factor Arrows
77,153,531
Factor Arrows
71,021,933
Factor Arrows
1192,903
Factor Arrows
611,523

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:

5, 7, 11, 61, 1523

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 11 x 61 x 1,523 = 250,373,585

This can also be written as 51 x 72 x 111 x 611 x 1,5231 = 250,373,585

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


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