Q: What are the prime factors of the number 423,023,256?

 A: 2, 3, 313, 6257

Why are those the prime factors of the number 423,023,256?

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 423,023,256

423,023,256
Factor Arrows
2211,511,628
Factor Arrows
2105,755,814
Factor Arrows
252,877,907
Factor Arrows
317,625,969
Factor Arrows
35,875,323
Factor Arrows
31,958,441
Factor Arrows
3136,257

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, 313, 6257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 313 x 6,257 = 423,023,256

This can also be written as 23 x 33 x 3131 x 6,2571 = 423,023,256

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


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