Q: What are the prime factors of the number 653,600,343?

 A: 3, 11, 17, 67, 17389

Why are those the prime factors of the number 653,600,343?

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 653,600,343

653,600,343
Factor Arrows
3217,866,781
Factor Arrows
1119,806,071
Factor Arrows
171,165,063
Factor Arrows
6717,389

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, 11, 17, 67, 17389

We can check our work by multiplying all of the prime factors together: 3 x 11 x 17 x 67 x 17,389 = 653,600,343

This can also be written as 31 x 111 x 171 x 671 x 17,3891 = 653,600,343

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


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