Q: What are the prime factors of the number 717,302,425?

 A: 5, 7, 229, 2557

Why are those the prime factors of the number 717,302,425?

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 717,302,425

717,302,425
Factor Arrows
5143,460,485
Factor Arrows
528,692,097
Factor Arrows
74,098,871
Factor Arrows
7585,553
Factor Arrows
2292,557

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:

5, 7, 229, 2557

We can check our work by multiplying all of the prime factors together: 5 x 5 x 7 x 7 x 229 x 2,557 = 717,302,425

This can also be written as 52 x 72 x 2291 x 2,5571 = 717,302,425

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


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