Q: What are the prime factors of the number 707,760,209?

 A: 13, 23, 97, 1061

Why are those the prime factors of the number 707,760,209?

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 707,760,209

707,760,209
Factor Arrows
1354,443,093
Factor Arrows
232,367,091
Factor Arrows
23102,917
Factor Arrows
971,061

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:

13, 23, 97, 1061

We can check our work by multiplying all of the prime factors together: 13 x 23 x 23 x 97 x 1,061 = 707,760,209

This can also be written as 131 x 232 x 971 x 1,0611 = 707,760,209

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


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