Q: What are the prime factors of the number 231,212,325?

 A: 3, 5, 17, 41, 4423

Why are those the prime factors of the number 231,212,325?

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 231,212,325

231,212,325
Factor Arrows
377,070,775
Factor Arrows
515,414,155
Factor Arrows
53,082,831
Factor Arrows
17181,343
Factor Arrows
414,423

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:

3, 5, 17, 41, 4423

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 17 x 41 x 4,423 = 231,212,325

This can also be written as 31 x 52 x 171 x 411 x 4,4231 = 231,212,325

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


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