Q: What are the prime factors of the number 247,229,392?

 A: 2, 23, 73, 9203

Why are those the prime factors of the number 247,229,392?

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 247,229,392

247,229,392
Factor Arrows
2123,614,696
Factor Arrows
261,807,348
Factor Arrows
230,903,674
Factor Arrows
215,451,837
Factor Arrows
23671,819
Factor Arrows
739,203

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, 23, 73, 9203

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 23 x 73 x 9,203 = 247,229,392

This can also be written as 24 x 231 x 731 x 9,2031 = 247,229,392

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


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