Q: What are the prime factors of the number 127,161,172?

 A: 2, 29, 41, 26737

Why are those the prime factors of the number 127,161,172?

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 127,161,172

127,161,172
Factor Arrows
263,580,586
Factor Arrows
231,790,293
Factor Arrows
291,096,217
Factor Arrows
4126,737

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, 29, 41, 26737

We can check our work by multiplying all of the prime factors together: 2 x 2 x 29 x 41 x 26,737 = 127,161,172

This can also be written as 22 x 291 x 411 x 26,7371 = 127,161,172

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


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