Q: What are the prime factors of the number 311,654,232?

 A: 2, 3, 23, 188197

Why are those the prime factors of the number 311,654,232?

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 311,654,232

311,654,232
Factor Arrows
2155,827,116
Factor Arrows
277,913,558
Factor Arrows
238,956,779
Factor Arrows
312,985,593
Factor Arrows
34,328,531
Factor Arrows
23188,197

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, 23, 188197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 23 x 188,197 = 311,654,232

This can also be written as 23 x 32 x 231 x 188,1971 = 311,654,232

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


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