Q: What are the prime factors of the number 57,240,256?

 A: 2, 367, 2437

Why are those the prime factors of the number 57,240,256?

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 57,240,256

57,240,256
Factor Arrows
228,620,128
Factor Arrows
214,310,064
Factor Arrows
27,155,032
Factor Arrows
23,577,516
Factor Arrows
21,788,758
Factor Arrows
2894,379
Factor Arrows
3672,437

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, 367, 2437

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 367 x 2,437 = 57,240,256

This can also be written as 26 x 3671 x 2,4371 = 57,240,256

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


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