Q: What are the prime factors of the number 254,272,716?

 A: 2, 3, 257, 9161

Why are those the prime factors of the number 254,272,716?

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 254,272,716

254,272,716
Factor Arrows
2127,136,358
Factor Arrows
263,568,179
Factor Arrows
321,189,393
Factor Arrows
37,063,131
Factor Arrows
32,354,377
Factor Arrows
2579,161

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, 257, 9161

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 257 x 9,161 = 254,272,716

This can also be written as 22 x 33 x 2571 x 9,1611 = 254,272,716

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


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