Q: What are the prime factors of the number 203,264?

 A: 2, 397

Why are those the prime factors of the number 203,264?

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 203,264

203,264
Factor Arrows
2101,632
Factor Arrows
250,816
Factor Arrows
225,408
Factor Arrows
212,704
Factor Arrows
26,352
Factor Arrows
23,176
Factor Arrows
21,588
Factor Arrows
2794
Factor Arrows
2397

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, 397

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 2 x 2 x 2 x 397 = 203,264

This can also be written as 29 x 3971 = 203,264

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


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