Q: What are the prime factors of the number 101,211,043?

 A: 19, 139, 2017

Why are those the prime factors of the number 101,211,043?

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 101,211,043

101,211,043
Factor Arrows
195,326,897
Factor Arrows
19280,363
Factor Arrows
1392,017

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:

19, 139, 2017

We can check our work by multiplying all of the prime factors together: 19 x 19 x 139 x 2,017 = 101,211,043

This can also be written as 192 x 1391 x 2,0171 = 101,211,043

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


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