Q: What are the prime factors of the number 310,352?

 A: 2, 7, 17, 163

Why are those the prime factors of the number 310,352?

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 310,352

310,352
Factor Arrows
2155,176
Factor Arrows
277,588
Factor Arrows
238,794
Factor Arrows
219,397
Factor Arrows
72,771
Factor Arrows
17163

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, 17, 163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 17 x 163 = 310,352

This can also be written as 24 x 71 x 171 x 1631 = 310,352

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


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