Q: What are the prime factors of the number 561,246,007?

 A: 7, 17, 37, 41, 3109

Why are those the prime factors of the number 561,246,007?

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 561,246,007

561,246,007
Factor Arrows
780,178,001
Factor Arrows
174,716,353
Factor Arrows
37127,469
Factor Arrows
413,109

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:

7, 17, 37, 41, 3109

We can check our work by multiplying all of the prime factors together: 7 x 17 x 37 x 41 x 3,109 = 561,246,007

This can also be written as 71 x 171 x 371 x 411 x 3,1091 = 561,246,007

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


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