Q: What are the prime factors of the number 104,189,020?

 A: 2, 5, 13, 67, 5981

Why are those the prime factors of the number 104,189,020?

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 104,189,020

104,189,020
Factor Arrows
252,094,510
Factor Arrows
226,047,255
Factor Arrows
55,209,451
Factor Arrows
13400,727
Factor Arrows
675,981

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, 5, 13, 67, 5981

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 13 x 67 x 5,981 = 104,189,020

This can also be written as 22 x 51 x 131 x 671 x 5,9811 = 104,189,020

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


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