Q: What are the prime factors of the number 354,320,743?

 A: 7, 71, 613, 1163

Why are those the prime factors of the number 354,320,743?

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 354,320,743

354,320,743
Factor Arrows
750,617,249
Factor Arrows
71712,919
Factor Arrows
6131,163

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, 71, 613, 1163

We can check our work by multiplying all of the prime factors together: 7 x 71 x 613 x 1,163 = 354,320,743

This can also be written as 71 x 711 x 6131 x 1,1631 = 354,320,743

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


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