Q: What are the prime factors of the number 15,586,940?

 A: 2, 5, 779347

Why are those the prime factors of the number 15,586,940?

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 15,586,940

15,586,940
Factor Arrows
27,793,470
Factor Arrows
23,896,735
Factor Arrows
5779,347

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, 779347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 779,347 = 15,586,940

This can also be written as 22 x 51 x 779,3471 = 15,586,940

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


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