Q: What are the prime factors of the number 814,056,404?

 A: 2, 7, 31, 133979

Why are those the prime factors of the number 814,056,404?

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 814,056,404

814,056,404
Factor Arrows
2407,028,202
Factor Arrows
2203,514,101
Factor Arrows
729,073,443
Factor Arrows
74,153,349
Factor Arrows
31133,979

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, 31, 133979

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 31 x 133,979 = 814,056,404

This can also be written as 22 x 72 x 311 x 133,9791 = 814,056,404

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


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