Q: What are the prime factors of the number 257,783,748?

 A: 2, 3, 2083, 10313

Why are those the prime factors of the number 257,783,748?

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 257,783,748

257,783,748
Factor Arrows
2128,891,874
Factor Arrows
264,445,937
Factor Arrows
321,481,979
Factor Arrows
2,08310,313

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, 2083, 10313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 2,083 x 10,313 = 257,783,748

This can also be written as 22 x 31 x 2,0831 x 10,3131 = 257,783,748

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


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