Q: What are the prime factors of the number 113,113,021?

 A: 7, 29, 79601

Why are those the prime factors of the number 113,113,021?

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 113,113,021

113,113,021
Factor Arrows
716,159,003
Factor Arrows
72,308,429
Factor Arrows
2979,601

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:

7, 29, 79601

We can check our work by multiplying all of the prime factors together: 7 x 7 x 29 x 79,601 = 113,113,021

This can also be written as 72 x 291 x 79,6011 = 113,113,021

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


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