Q: What are the prime factors of the number 707,502,345?

 A: 3, 5, 11, 17, 37, 401

Why are those the prime factors of the number 707,502,345?

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 707,502,345

707,502,345
Factor Arrows
3235,834,115
Factor Arrows
547,166,823
Factor Arrows
114,287,893
Factor Arrows
17252,229
Factor Arrows
1714,837
Factor Arrows
37401

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, 5, 11, 17, 37, 401

We can check our work by multiplying all of the prime factors together: 3 x 5 x 11 x 17 x 17 x 37 x 401 = 707,502,345

This can also be written as 31 x 51 x 111 x 172 x 371 x 4011 = 707,502,345

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


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