Q: What are the prime factors of the number 255,510?

 A: 2, 3, 5, 17, 167

Why are those the prime factors of the number 255,510?

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 255,510

255,510
Factor Arrows
2127,755
Factor Arrows
342,585
Factor Arrows
314,195
Factor Arrows
52,839
Factor Arrows
17167

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, 5, 17, 167

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 17 x 167 = 255,510

This can also be written as 21 x 32 x 51 x 171 x 1671 = 255,510

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


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