Q: What are the prime factors of the number 223,032,156?

 A: 2, 3, 29, 431, 1487

Why are those the prime factors of the number 223,032,156?

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 223,032,156

223,032,156
Factor Arrows
2111,516,078
Factor Arrows
255,758,039
Factor Arrows
318,586,013
Factor Arrows
29640,897
Factor Arrows
4311,487

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, 29, 431, 1487

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 29 x 431 x 1,487 = 223,032,156

This can also be written as 22 x 31 x 291 x 4311 x 1,4871 = 223,032,156

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


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