Q: What are the prime factors of the number 487,245?

 A: 3, 5, 11, 2953

Why are those the prime factors of the number 487,245?

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 487,245

487,245
Factor Arrows
3162,415
Factor Arrows
532,483
Factor Arrows
112,953

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:

3, 5, 11, 2953

We can check our work by multiplying all of the prime factors together: 3 x 5 x 11 x 2,953 = 487,245

This can also be written as 31 x 51 x 111 x 2,9531 = 487,245

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


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