Q: What are the prime factors of the number 311,514,441?

 A: 3, 7, 409, 36269

Why are those the prime factors of the number 311,514,441?

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 311,514,441

311,514,441
Factor Arrows
3103,838,147
Factor Arrows
714,834,021
Factor Arrows
40936,269

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, 7, 409, 36269

We can check our work by multiplying all of the prime factors together: 3 x 7 x 409 x 36,269 = 311,514,441

This can also be written as 31 x 71 x 4091 x 36,2691 = 311,514,441

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


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