Q: What are the prime factors of the number 755,904?

 A: 2, 3, 31, 127

Why are those the prime factors of the number 755,904?

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 755,904

755,904
Factor Arrows
2377,952
Factor Arrows
2188,976
Factor Arrows
294,488
Factor Arrows
247,244
Factor Arrows
223,622
Factor Arrows
211,811
Factor Arrows
33,937
Factor Arrows
31127

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:

2, 3, 31, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 31 x 127 = 755,904

This can also be written as 26 x 31 x 311 x 1271 = 755,904

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


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