Q: What are the prime factors of the number 55,316,313?

 A: 3, 13, 71, 6659

Why are those the prime factors of the number 55,316,313?

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 55,316,313

55,316,313
Factor Arrows
318,438,771
Factor Arrows
36,146,257
Factor Arrows
13472,789
Factor Arrows
716,659

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, 13, 71, 6659

We can check our work by multiplying all of the prime factors together: 3 x 3 x 13 x 71 x 6,659 = 55,316,313

This can also be written as 32 x 131 x 711 x 6,6591 = 55,316,313

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


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