Q: What are the prime factors of the number 744,722,755?

 A: 5, 7, 29, 47, 67, 233

Why are those the prime factors of the number 744,722,755?

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 744,722,755

744,722,755
Factor Arrows
5148,944,551
Factor Arrows
721,277,793
Factor Arrows
29733,717
Factor Arrows
4715,611
Factor Arrows
67233

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:

5, 7, 29, 47, 67, 233

We can check our work by multiplying all of the prime factors together: 5 x 7 x 29 x 47 x 67 x 233 = 744,722,755

This can also be written as 51 x 71 x 291 x 471 x 671 x 2331 = 744,722,755

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


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