Q: What are the prime factors of the number 383,719?

 A: 7, 41, 191

Why are those the prime factors of the number 383,719?

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 383,719

383,719
Factor Arrows
754,817
Factor Arrows
77,831
Factor Arrows
41191

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:

7, 41, 191

We can check our work by multiplying all of the prime factors together: 7 x 7 x 41 x 191 = 383,719

This can also be written as 72 x 411 x 1911 = 383,719

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


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