Q: What are the prime factors of the number 39,017,802?

 A: 2, 3, 47, 83, 1667

Why are those the prime factors of the number 39,017,802?

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 39,017,802

39,017,802
Factor Arrows
219,508,901
Factor Arrows
36,502,967
Factor Arrows
47138,361
Factor Arrows
831,667

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, 3, 47, 83, 1667

We can check our work by multiplying all of the prime factors together: 2 x 3 x 47 x 83 x 1,667 = 39,017,802

This can also be written as 21 x 31 x 471 x 831 x 1,6671 = 39,017,802

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


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