Q: What are the prime factors of the number 919,755?

 A: 3, 5, 757

Why are those the prime factors of the number 919,755?

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 919,755

919,755
Factor Arrows
3306,585
Factor Arrows
3102,195
Factor Arrows
334,065
Factor Arrows
311,355
Factor Arrows
33,785
Factor Arrows
5757

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, 5, 757

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 5 x 757 = 919,755

This can also be written as 35 x 51 x 7571 = 919,755

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


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