Q: What are the prime factors of the number 717,364,858?

 A: 2, 7, 53, 97, 9967

Why are those the prime factors of the number 717,364,858?

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 717,364,858

717,364,858
Factor Arrows
2358,682,429
Factor Arrows
751,240,347
Factor Arrows
53966,799
Factor Arrows
979,967

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, 53, 97, 9967

We can check our work by multiplying all of the prime factors together: 2 x 7 x 53 x 97 x 9,967 = 717,364,858

This can also be written as 21 x 71 x 531 x 971 x 9,9671 = 717,364,858

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


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