Q: What are the prime factors of the number 313,344,262?

 A: 2, 7, 11, 109, 1697

Why are those the prime factors of the number 313,344,262?

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 313,344,262

313,344,262
Factor Arrows
2156,672,131
Factor Arrows
722,381,733
Factor Arrows
112,034,703
Factor Arrows
11184,973
Factor Arrows
1091,697

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, 7, 11, 109, 1697

We can check our work by multiplying all of the prime factors together: 2 x 7 x 11 x 11 x 109 x 1,697 = 313,344,262

This can also be written as 21 x 71 x 112 x 1091 x 1,6971 = 313,344,262

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


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