Q: What are the prime factors of the number 376,422,309?

 A: 3, 401, 3863

Why are those the prime factors of the number 376,422,309?

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 376,422,309

376,422,309
Factor Arrows
3125,474,103
Factor Arrows
341,824,701
Factor Arrows
313,941,567
Factor Arrows
34,647,189
Factor Arrows
31,549,063
Factor Arrows
4013,863

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, 401, 3863

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 401 x 3,863 = 376,422,309

This can also be written as 35 x 4011 x 3,8631 = 376,422,309

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


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