Q: What are the prime factors of the number 323,353,744?

 A: 2, 7, 193, 2137

Why are those the prime factors of the number 323,353,744?

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 323,353,744

323,353,744
Factor Arrows
2161,676,872
Factor Arrows
280,838,436
Factor Arrows
240,419,218
Factor Arrows
220,209,609
Factor Arrows
72,887,087
Factor Arrows
7412,441
Factor Arrows
1932,137

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, 193, 2137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 193 x 2,137 = 323,353,744

This can also be written as 24 x 72 x 1931 x 2,1371 = 323,353,744

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


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