Q: What are the prime factors of the number 426,654,462?

 A: 2, 3, 13, 19, 23, 12517

Why are those the prime factors of the number 426,654,462?

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 426,654,462

426,654,462
Factor Arrows
2213,327,231
Factor Arrows
371,109,077
Factor Arrows
135,469,929
Factor Arrows
19287,891
Factor Arrows
2312,517

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, 13, 19, 23, 12517

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 19 x 23 x 12,517 = 426,654,462

This can also be written as 21 x 31 x 131 x 191 x 231 x 12,5171 = 426,654,462

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


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