Q: What are the prime factors of the number 526,407?

 A: 3, 7, 3581

Why are those the prime factors of the number 526,407?

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 526,407

526,407
Factor Arrows
3175,469
Factor Arrows
725,067
Factor Arrows
73,581

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, 7, 3581

We can check our work by multiplying all of the prime factors together: 3 x 7 x 7 x 3,581 = 526,407

This can also be written as 31 x 72 x 3,5811 = 526,407

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


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