Q: What are the prime factors of the number 113,213,506?

 A: 2, 7, 17, 29, 47, 349

Why are those the prime factors of the number 113,213,506?

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 113,213,506

113,213,506
Factor Arrows
256,606,753
Factor Arrows
78,086,679
Factor Arrows
17475,687
Factor Arrows
2916,403
Factor Arrows
47349

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, 17, 29, 47, 349

We can check our work by multiplying all of the prime factors together: 2 x 7 x 17 x 29 x 47 x 349 = 113,213,506

This can also be written as 21 x 71 x 171 x 291 x 471 x 3491 = 113,213,506

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


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