Q: What are the prime factors of the number 2,587,707?

 A: 3, 23, 463

Why are those the prime factors of the number 2,587,707?

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 2,587,707

2,587,707
Factor Arrows
3862,569
Factor Arrows
3287,523
Factor Arrows
395,841
Factor Arrows
331,947
Factor Arrows
310,649
Factor Arrows
23463

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, 23, 463

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 23 x 463 = 2,587,707

This can also be written as 35 x 231 x 4631 = 2,587,707

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


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