Q: What are the prime factors of the number 76,192,893?

 A: 3, 7, 79

Why are those the prime factors of the number 76,192,893?

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 76,192,893

76,192,893
Factor Arrows
325,397,631
Factor Arrows
38,465,877
Factor Arrows
32,821,959
Factor Arrows
3940,653
Factor Arrows
3313,551
Factor Arrows
3104,517
Factor Arrows
334,839
Factor Arrows
311,613
Factor Arrows
33,871
Factor Arrows
7553
Factor Arrows
779

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, 79

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 7 x 7 x 79 = 76,192,893

This can also be written as 39 x 72 x 791 = 76,192,893

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


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