Q: What are the prime factors of the number 314,391,345?

 A: 3, 5, 877, 23899

Why are those the prime factors of the number 314,391,345?

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 314,391,345

314,391,345
Factor Arrows
3104,797,115
Factor Arrows
520,959,423
Factor Arrows
87723,899

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, 5, 877, 23899

We can check our work by multiplying all of the prime factors together: 3 x 5 x 877 x 23,899 = 314,391,345

This can also be written as 31 x 51 x 8771 x 23,8991 = 314,391,345

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


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