Q: What are the prime factors of the number 255,886,339?

 A: 23, 37, 199, 1511

Why are those the prime factors of the number 255,886,339?

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 255,886,339

255,886,339
Factor Arrows
2311,125,493
Factor Arrows
37300,689
Factor Arrows
1991,511

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:

23, 37, 199, 1511

We can check our work by multiplying all of the prime factors together: 23 x 37 x 199 x 1,511 = 255,886,339

This can also be written as 231 x 371 x 1991 x 1,5111 = 255,886,339

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


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