Q: What are the prime factors of the number 76,704,708?

 A: 2, 3, 71, 197, 457

Why are those the prime factors of the number 76,704,708?

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 76,704,708

76,704,708
Factor Arrows
238,352,354
Factor Arrows
219,176,177
Factor Arrows
36,392,059
Factor Arrows
7190,029
Factor Arrows
197457

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, 71, 197, 457

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 71 x 197 x 457 = 76,704,708

This can also be written as 22 x 31 x 711 x 1971 x 4571 = 76,704,708

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


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