Q: What are the prime factors of the number 20,006,965?

 A: 5, 11, 139, 2617

Why are those the prime factors of the number 20,006,965?

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 20,006,965

20,006,965
Factor Arrows
54,001,393
Factor Arrows
11363,763
Factor Arrows
1392,617

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:

5, 11, 139, 2617

We can check our work by multiplying all of the prime factors together: 5 x 11 x 139 x 2,617 = 20,006,965

This can also be written as 51 x 111 x 1391 x 2,6171 = 20,006,965

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


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