Q: What are the prime factors of the number 213,264?

 A: 2, 3, 1481

Why are those the prime factors of the number 213,264?

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 213,264

213,264
Factor Arrows
2106,632
Factor Arrows
253,316
Factor Arrows
226,658
Factor Arrows
213,329
Factor Arrows
34,443
Factor Arrows
31,481

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, 3, 1481

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 1,481 = 213,264

This can also be written as 24 x 32 x 1,4811 = 213,264

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


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