Q: What are the prime factors of the number 381,413,259?

 A: 3, 271, 52127

Why are those the prime factors of the number 381,413,259?

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 381,413,259

381,413,259
Factor Arrows
3127,137,753
Factor Arrows
342,379,251
Factor Arrows
314,126,417
Factor Arrows
27152,127

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, 271, 52127

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 271 x 52,127 = 381,413,259

This can also be written as 33 x 2711 x 52,1271 = 381,413,259

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


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