Q: What are the prime factors of the number 77,315,252?

 A: 2, 7, 17, 59, 2753

Why are those the prime factors of the number 77,315,252?

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 77,315,252

77,315,252
Factor Arrows
238,657,626
Factor Arrows
219,328,813
Factor Arrows
72,761,259
Factor Arrows
17162,427
Factor Arrows
592,753

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, 7, 17, 59, 2753

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 17 x 59 x 2,753 = 77,315,252

This can also be written as 22 x 71 x 171 x 591 x 2,7531 = 77,315,252

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


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