Q: What are the prime factors of the number 232,901,172?

 A: 2, 3, 7, 61, 109, 139

Why are those the prime factors of the number 232,901,172?

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 232,901,172

232,901,172
Factor Arrows
2116,450,586
Factor Arrows
258,225,293
Factor Arrows
319,408,431
Factor Arrows
36,469,477
Factor Arrows
7924,211
Factor Arrows
6115,151
Factor Arrows
109139

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, 61, 109, 139

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 61 x 109 x 139 = 232,901,172

This can also be written as 22 x 32 x 71 x 611 x 1091 x 1391 = 232,901,172

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


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