Q: What are the prime factors of the number 161,834,164?

 A: 2, 23, 617, 2851

Why are those the prime factors of the number 161,834,164?

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 161,834,164

161,834,164
Factor Arrows
280,917,082
Factor Arrows
240,458,541
Factor Arrows
231,759,067
Factor Arrows
6172,851

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, 23, 617, 2851

We can check our work by multiplying all of the prime factors together: 2 x 2 x 23 x 617 x 2,851 = 161,834,164

This can also be written as 22 x 231 x 6171 x 2,8511 = 161,834,164

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


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