Q: What are the prime factors of the number 207,196,605?

 A: 3, 5, 7, 11, 59797

Why are those the prime factors of the number 207,196,605?

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 207,196,605

207,196,605
Factor Arrows
369,065,535
Factor Arrows
323,021,845
Factor Arrows
54,604,369
Factor Arrows
7657,767
Factor Arrows
1159,797

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, 7, 11, 59797

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 11 x 59,797 = 207,196,605

This can also be written as 32 x 51 x 71 x 111 x 59,7971 = 207,196,605

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


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