Q: What are the prime factors of the number 371,890?

 A: 2, 5, 37189

Why are those the prime factors of the number 371,890?

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 371,890

371,890
Factor Arrows
2185,945
Factor Arrows
537,189

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:

2, 5, 37189

We can check our work by multiplying all of the prime factors together: 2 x 5 x 37,189 = 371,890

This can also be written as 21 x 51 x 37,1891 = 371,890

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


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