Q: What are the prime factors of the number 705,200,013?

 A: 3, 7, 177677

Why are those the prime factors of the number 705,200,013?

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 705,200,013

705,200,013
Factor Arrows
3235,066,671
Factor Arrows
378,355,557
Factor Arrows
326,118,519
Factor Arrows
38,706,173
Factor Arrows
71,243,739
Factor Arrows
7177,677

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, 7, 177677

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 7 x 7 x 177,677 = 705,200,013

This can also be written as 34 x 72 x 177,6771 = 705,200,013

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


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