Q: What are the prime factors of the number 395,504?

 A: 2, 19, 1301

Why are those the prime factors of the number 395,504?

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 395,504

395,504
Factor Arrows
2197,752
Factor Arrows
298,876
Factor Arrows
249,438
Factor Arrows
224,719
Factor Arrows
191,301

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, 19, 1301

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 19 x 1,301 = 395,504

This can also be written as 24 x 191 x 1,3011 = 395,504

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


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