Q: What are the prime factors of the number 76,227,921?

 A: 3, 7, 11, 29, 3793

Why are those the prime factors of the number 76,227,921?

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 76,227,921

76,227,921
Factor Arrows
325,409,307
Factor Arrows
38,469,769
Factor Arrows
71,209,967
Factor Arrows
11109,997
Factor Arrows
293,793

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:

3, 7, 11, 29, 3793

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 11 x 29 x 3,793 = 76,227,921

This can also be written as 32 x 71 x 111 x 291 x 3,7931 = 76,227,921

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


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