Q: What are the prime factors of the number 715,264?

 A: 2, 11, 127

Why are those the prime factors of the number 715,264?

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 715,264

715,264
Factor Arrows
2357,632
Factor Arrows
2178,816
Factor Arrows
289,408
Factor Arrows
244,704
Factor Arrows
222,352
Factor Arrows
211,176
Factor Arrows
25,588
Factor Arrows
22,794
Factor Arrows
21,397
Factor Arrows
11127

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, 11, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 11 x 127 = 715,264

This can also be written as 29 x 111 x 1271 = 715,264

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


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