Q: What are the prime factors of the number 424,426,656?

 A: 2, 3, 929, 4759

Why are those the prime factors of the number 424,426,656?

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 424,426,656

424,426,656
Factor Arrows
2212,213,328
Factor Arrows
2106,106,664
Factor Arrows
253,053,332
Factor Arrows
226,526,666
Factor Arrows
213,263,333
Factor Arrows
34,421,111
Factor Arrows
9294,759

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, 929, 4759

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 929 x 4,759 = 424,426,656

This can also be written as 25 x 31 x 9291 x 4,7591 = 424,426,656

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


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