Q: What are the prime factors of the number 736,775,109?

 A: 3, 7, 31, 167, 251

Why are those the prime factors of the number 736,775,109?

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 736,775,109

736,775,109
Factor Arrows
3245,591,703
Factor Arrows
381,863,901
Factor Arrows
327,287,967
Factor Arrows
39,095,989
Factor Arrows
71,299,427
Factor Arrows
3141,917
Factor Arrows
167251

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, 7, 31, 167, 251

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 7 x 31 x 167 x 251 = 736,775,109

This can also be written as 34 x 71 x 311 x 1671 x 2511 = 736,775,109

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


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