Q: What are the prime factors of the number 76,215,612?

 A: 2, 3, 11, 19, 30389

Why are those the prime factors of the number 76,215,612?

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 76,215,612

76,215,612
Factor Arrows
238,107,806
Factor Arrows
219,053,903
Factor Arrows
36,351,301
Factor Arrows
11577,391
Factor Arrows
1930,389

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, 3, 11, 19, 30389

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 19 x 30,389 = 76,215,612

This can also be written as 22 x 31 x 111 x 191 x 30,3891 = 76,215,612

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


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