Q: What are the prime factors of the number 313,551,210?

 A: 2, 3, 5, 7, 1493101

Why are those the prime factors of the number 313,551,210?

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 313,551,210

313,551,210
Factor Arrows
2156,775,605
Factor Arrows
352,258,535
Factor Arrows
510,451,707
Factor Arrows
71,493,101

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, 3, 5, 7, 1493101

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 7 x 1,493,101 = 313,551,210

This can also be written as 21 x 31 x 51 x 71 x 1,493,1011 = 313,551,210

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


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