Q: What are the prime factors of the number 257,756,752?

 A: 2, 11, 313, 4679

Why are those the prime factors of the number 257,756,752?

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 257,756,752

257,756,752
Factor Arrows
2128,878,376
Factor Arrows
264,439,188
Factor Arrows
232,219,594
Factor Arrows
216,109,797
Factor Arrows
111,464,527
Factor Arrows
3134,679

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, 11, 313, 4679

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 313 x 4,679 = 257,756,752

This can also be written as 24 x 111 x 3131 x 4,6791 = 257,756,752

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


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