Q: What are the prime factors of the number 256,375,552?

 A: 2, 1001467

Why are those the prime factors of the number 256,375,552?

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 256,375,552

256,375,552
Factor Arrows
2128,187,776
Factor Arrows
264,093,888
Factor Arrows
232,046,944
Factor Arrows
216,023,472
Factor Arrows
28,011,736
Factor Arrows
24,005,868
Factor Arrows
22,002,934
Factor Arrows
21,001,467

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, 1001467

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 1,001,467 = 256,375,552

This can also be written as 28 x 1,001,4671 = 256,375,552

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


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