Q: What are the prime factors of the number 717,285,472?

 A: 2, 661, 33911

Why are those the prime factors of the number 717,285,472?

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 717,285,472

717,285,472
Factor Arrows
2358,642,736
Factor Arrows
2179,321,368
Factor Arrows
289,660,684
Factor Arrows
244,830,342
Factor Arrows
222,415,171
Factor Arrows
66133,911

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, 661, 33911

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 661 x 33,911 = 717,285,472

This can also be written as 25 x 6611 x 33,9111 = 717,285,472

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


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