Q: What are the prime factors of the number 707,820,606?

 A: 2, 3, 197, 7393

Why are those the prime factors of the number 707,820,606?

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 707,820,606

707,820,606
Factor Arrows
2353,910,303
Factor Arrows
3117,970,101
Factor Arrows
339,323,367
Factor Arrows
313,107,789
Factor Arrows
34,369,263
Factor Arrows
31,456,421
Factor Arrows
1977,393

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, 3, 197, 7393

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 197 x 7,393 = 707,820,606

This can also be written as 21 x 35 x 1971 x 7,3931 = 707,820,606

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


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