Q: What are the prime factors of the number 323,231,000?

 A: 2, 5, 43, 7517

Why are those the prime factors of the number 323,231,000?

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 323,231,000

323,231,000
Factor Arrows
2161,615,500
Factor Arrows
280,807,750
Factor Arrows
240,403,875
Factor Arrows
58,080,775
Factor Arrows
51,616,155
Factor Arrows
5323,231
Factor Arrows
437,517

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, 5, 43, 7517

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 5 x 43 x 7,517 = 323,231,000

This can also be written as 23 x 53 x 431 x 7,5171 = 323,231,000

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


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