Q: What are the prime factors of the number 620,095?

 A: 5, 7, 2531

Why are those the prime factors of the number 620,095?

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 620,095

620,095
Factor Arrows
5124,019
Factor Arrows
717,717
Factor Arrows
72,531

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, 2531

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 2,531 = 620,095

This can also be written as 51 x 72 x 2,5311 = 620,095

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


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