Q: What are the prime factors of the number 426,605,536?

 A: 2, 7, 1904489

Why are those the prime factors of the number 426,605,536?

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 426,605,536

426,605,536
Factor Arrows
2213,302,768
Factor Arrows
2106,651,384
Factor Arrows
253,325,692
Factor Arrows
226,662,846
Factor Arrows
213,331,423
Factor Arrows
71,904,489

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, 1904489

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 1,904,489 = 426,605,536

This can also be written as 25 x 71 x 1,904,4891 = 426,605,536

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


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