Q: What are the prime factors of the number 323,531,424?

 A: 2, 3, 29, 38737

Why are those the prime factors of the number 323,531,424?

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 323,531,424

323,531,424
Factor Arrows
2161,765,712
Factor Arrows
280,882,856
Factor Arrows
240,441,428
Factor Arrows
220,220,714
Factor Arrows
210,110,357
Factor Arrows
33,370,119
Factor Arrows
31,123,373
Factor Arrows
2938,737

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, 29, 38737

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 3 x 29 x 38,737 = 323,531,424

This can also be written as 25 x 32 x 291 x 38,7371 = 323,531,424

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


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