Q: What are the prime factors of the number 634,072?

 A: 2, 79259

Why are those the prime factors of the number 634,072?

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 634,072

634,072
Factor Arrows
2317,036
Factor Arrows
2158,518
Factor Arrows
279,259

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, 79259

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 79,259 = 634,072

This can also be written as 23 x 79,2591 = 634,072

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


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