Q: What are the prime factors of the number 377,271?

 A: 3, 89, 157

Why are those the prime factors of the number 377,271?

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 377,271

377,271
Factor Arrows
3125,757
Factor Arrows
341,919
Factor Arrows
313,973
Factor Arrows
89157

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, 89, 157

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 89 x 157 = 377,271

This can also be written as 33 x 891 x 1571 = 377,271

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


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