Q: What are the prime factors of the number 231,677,376?

 A: 2, 3, 7, 223, 773

Why are those the prime factors of the number 231,677,376?

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 231,677,376

231,677,376
Factor Arrows
2115,838,688
Factor Arrows
257,919,344
Factor Arrows
228,959,672
Factor Arrows
214,479,836
Factor Arrows
27,239,918
Factor Arrows
23,619,959
Factor Arrows
31,206,653
Factor Arrows
7172,379
Factor Arrows
223773

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, 7, 223, 773

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 3 x 7 x 223 x 773 = 231,677,376

This can also be written as 26 x 31 x 71 x 2231 x 7731 = 231,677,376

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


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