Q: What are the prime factors of the number 313,023,740?

 A: 2, 5, 31, 504877

Why are those the prime factors of the number 313,023,740?

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 313,023,740

313,023,740
Factor Arrows
2156,511,870
Factor Arrows
278,255,935
Factor Arrows
515,651,187
Factor Arrows
31504,877

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, 5, 31, 504877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 31 x 504,877 = 313,023,740

This can also be written as 22 x 51 x 311 x 504,8771 = 313,023,740

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


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