Q: What are the prime factors of the number 40,190,013?

 A: 3, 165391

Why are those the prime factors of the number 40,190,013?

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 40,190,013

40,190,013
Factor Arrows
313,396,671
Factor Arrows
34,465,557
Factor Arrows
31,488,519
Factor Arrows
3496,173
Factor Arrows
3165,391

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, 165391

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 165,391 = 40,190,013

This can also be written as 35 x 165,3911 = 40,190,013

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


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