Q: What are the prime factors of the number 254,856?

 A: 2, 3, 7, 37, 41

Why are those the prime factors of the number 254,856?

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 254,856

254,856
Factor Arrows
2127,428
Factor Arrows
263,714
Factor Arrows
231,857
Factor Arrows
310,619
Factor Arrows
71,517
Factor Arrows
3741

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, 7, 37, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 37 x 41 = 254,856

This can also be written as 23 x 31 x 71 x 371 x 411 = 254,856

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


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