Q: What are the prime factors of the number 392,368?

 A: 2, 137, 179

Why are those the prime factors of the number 392,368?

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 392,368

392,368
Factor Arrows
2196,184
Factor Arrows
298,092
Factor Arrows
249,046
Factor Arrows
224,523
Factor Arrows
137179

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, 137, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 137 x 179 = 392,368

This can also be written as 24 x 1371 x 1791 = 392,368

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


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