Q: What are the prime factors of the number 255,071,268?

 A: 2, 3, 87473

Why are those the prime factors of the number 255,071,268?

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 255,071,268

255,071,268
Factor Arrows
2127,535,634
Factor Arrows
263,767,817
Factor Arrows
321,255,939
Factor Arrows
37,085,313
Factor Arrows
32,361,771
Factor Arrows
3787,257
Factor Arrows
3262,419
Factor Arrows
387,473

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, 87473

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 87,473 = 255,071,268

This can also be written as 22 x 36 x 87,4731 = 255,071,268

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


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