Q: What are the prime factors of the number 254,304,256?

 A: 2, 37, 839

Why are those the prime factors of the number 254,304,256?

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 254,304,256

254,304,256
Factor Arrows
2127,152,128
Factor Arrows
263,576,064
Factor Arrows
231,788,032
Factor Arrows
215,894,016
Factor Arrows
27,947,008
Factor Arrows
23,973,504
Factor Arrows
21,986,752
Factor Arrows
2993,376
Factor Arrows
2496,688
Factor Arrows
2248,344
Factor Arrows
2124,172
Factor Arrows
262,086
Factor Arrows
231,043
Factor Arrows
37839

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, 37, 839

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 37 x 839 = 254,304,256

This can also be written as 213 x 371 x 8391 = 254,304,256

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


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