Q: What are the prime factors of the number 207,642,513?

 A: 3, 13, 397, 13411

Why are those the prime factors of the number 207,642,513?

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 207,642,513

207,642,513
Factor Arrows
369,214,171
Factor Arrows
135,324,167
Factor Arrows
39713,411

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, 13, 397, 13411

We can check our work by multiplying all of the prime factors together: 3 x 13 x 397 x 13,411 = 207,642,513

This can also be written as 31 x 131 x 3971 x 13,4111 = 207,642,513

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


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