Q: What are the prime factors of the number 255,253,312?

 A: 2, 1481, 2693

Why are those the prime factors of the number 255,253,312?

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 255,253,312

255,253,312
Factor Arrows
2127,626,656
Factor Arrows
263,813,328
Factor Arrows
231,906,664
Factor Arrows
215,953,332
Factor Arrows
27,976,666
Factor Arrows
23,988,333
Factor Arrows
1,4812,693

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, 1481, 2693

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 1,481 x 2,693 = 255,253,312

This can also be written as 26 x 1,4811 x 2,6931 = 255,253,312

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


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