Q: What are the prime factors of the number 257,752,377?

 A: 3, 29, 97, 10181

Why are those the prime factors of the number 257,752,377?

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 257,752,377

257,752,377
Factor Arrows
385,917,459
Factor Arrows
328,639,153
Factor Arrows
29987,557
Factor Arrows
9710,181

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:

3, 29, 97, 10181

We can check our work by multiplying all of the prime factors together: 3 x 3 x 29 x 97 x 10,181 = 257,752,377

This can also be written as 32 x 291 x 971 x 10,1811 = 257,752,377

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


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