Q: What are the prime factors of the number 313,772,715?

 A: 3, 5, 61, 151, 757

Why are those the prime factors of the number 313,772,715?

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 313,772,715

313,772,715
Factor Arrows
3104,590,905
Factor Arrows
334,863,635
Factor Arrows
56,972,727
Factor Arrows
61114,307
Factor Arrows
151757

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, 61, 151, 757

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 61 x 151 x 757 = 313,772,715

This can also be written as 32 x 51 x 611 x 1511 x 7571 = 313,772,715

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


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