Q: What are the prime factors of the number 345,531,822?

 A: 2, 3, 83, 241, 2879

Why are those the prime factors of the number 345,531,822?

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 345,531,822

345,531,822
Factor Arrows
2172,765,911
Factor Arrows
357,588,637
Factor Arrows
83693,839
Factor Arrows
2412,879

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, 83, 241, 2879

We can check our work by multiplying all of the prime factors together: 2 x 3 x 83 x 241 x 2,879 = 345,531,822

This can also be written as 21 x 31 x 831 x 2411 x 2,8791 = 345,531,822

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


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