Q: What are the prime factors of the number 345,141,135?

 A: 3, 5, 31, 82471

Why are those the prime factors of the number 345,141,135?

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 345,141,135

345,141,135
Factor Arrows
3115,047,045
Factor Arrows
338,349,015
Factor Arrows
312,783,005
Factor Arrows
52,556,601
Factor Arrows
3182,471

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, 31, 82471

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 31 x 82,471 = 345,141,135

This can also be written as 33 x 51 x 311 x 82,4711 = 345,141,135

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


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