Q: What are the prime factors of the number 371,392?

 A: 2, 7, 829

Why are those the prime factors of the number 371,392?

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 371,392

371,392
Factor Arrows
2185,696
Factor Arrows
292,848
Factor Arrows
246,424
Factor Arrows
223,212
Factor Arrows
211,606
Factor Arrows
25,803
Factor Arrows
7829

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, 7, 829

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 829 = 371,392

This can also be written as 26 x 71 x 8291 = 371,392

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


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