Q: What are the prime factors of the number 163,505,061?

 A: 3, 2018581

Why are those the prime factors of the number 163,505,061?

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 163,505,061

163,505,061
Factor Arrows
354,501,687
Factor Arrows
318,167,229
Factor Arrows
36,055,743
Factor Arrows
32,018,581

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, 2018581

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 2,018,581 = 163,505,061

This can also be written as 34 x 2,018,5811 = 163,505,061

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


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