Q: What are the prime factors of the number 254,840,448?

 A: 2, 3, 769, 863

Why are those the prime factors of the number 254,840,448?

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 254,840,448

254,840,448
Factor Arrows
2127,420,224
Factor Arrows
263,710,112
Factor Arrows
231,855,056
Factor Arrows
215,927,528
Factor Arrows
27,963,764
Factor Arrows
23,981,882
Factor Arrows
21,990,941
Factor Arrows
3663,647
Factor Arrows
769863

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, 769, 863

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 3 x 769 x 863 = 254,840,448

This can also be written as 27 x 31 x 7691 x 8631 = 254,840,448

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


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