Q: What are the prime factors of the number 255,143,304?

 A: 2, 3, 13, 90863

Why are those the prime factors of the number 255,143,304?

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 255,143,304

255,143,304
Factor Arrows
2127,571,652
Factor Arrows
263,785,826
Factor Arrows
231,892,913
Factor Arrows
310,630,971
Factor Arrows
33,543,657
Factor Arrows
31,181,219
Factor Arrows
1390,863

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, 13, 90863

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 13 x 90,863 = 255,143,304

This can also be written as 23 x 33 x 131 x 90,8631 = 255,143,304

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


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