Q: What are the prime factors of the number 310,314,425?

 A: 5, 157, 173, 457

Why are those the prime factors of the number 310,314,425?

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 310,314,425

310,314,425
Factor Arrows
562,062,885
Factor Arrows
512,412,577
Factor Arrows
15779,061
Factor Arrows
173457

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, 157, 173, 457

We can check our work by multiplying all of the prime factors together: 5 x 5 x 157 x 173 x 457 = 310,314,425

This can also be written as 52 x 1571 x 1731 x 4571 = 310,314,425

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


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