Q: What are the prime factors of the number 688,850,240?

 A: 2, 5, 13, 165589

Why are those the prime factors of the number 688,850,240?

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 688,850,240

688,850,240
Factor Arrows
2344,425,120
Factor Arrows
2172,212,560
Factor Arrows
286,106,280
Factor Arrows
243,053,140
Factor Arrows
221,526,570
Factor Arrows
210,763,285
Factor Arrows
52,152,657
Factor Arrows
13165,589

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, 5, 13, 165589

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 5 x 13 x 165,589 = 688,850,240

This can also be written as 26 x 51 x 131 x 165,5891 = 688,850,240

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


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