Q: What are the prime factors of the number 700,135,731?

 A: 3, 19, 151643

Why are those the prime factors of the number 700,135,731?

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 700,135,731

700,135,731
Factor Arrows
3233,378,577
Factor Arrows
377,792,859
Factor Arrows
325,930,953
Factor Arrows
38,643,651
Factor Arrows
32,881,217
Factor Arrows
19151,643

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:

3, 19, 151643

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 19 x 151,643 = 700,135,731

This can also be written as 35 x 191 x 151,6431 = 700,135,731

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


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