Q: What are the prime factors of the number 323,331,344?

 A: 2, 7, 1259, 2293

Why are those the prime factors of the number 323,331,344?

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 323,331,344

323,331,344
Factor Arrows
2161,665,672
Factor Arrows
280,832,836
Factor Arrows
240,416,418
Factor Arrows
220,208,209
Factor Arrows
72,886,887
Factor Arrows
1,2592,293

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, 1259, 2293

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 1,259 x 2,293 = 323,331,344

This can also be written as 24 x 71 x 1,2591 x 2,2931 = 323,331,344

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


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