Q: What are the prime factors of the number 40,542,117?

 A: 3, 7, 11, 293, 599

Why are those the prime factors of the number 40,542,117?

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 40,542,117

40,542,117
Factor Arrows
313,514,039
Factor Arrows
71,930,577
Factor Arrows
11175,507
Factor Arrows
293599

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, 7, 11, 293, 599

We can check our work by multiplying all of the prime factors together: 3 x 7 x 11 x 293 x 599 = 40,542,117

This can also be written as 31 x 71 x 111 x 2931 x 5991 = 40,542,117

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


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