Q: What are the prime factors of the number 40,181,211?

 A: 3, 7, 29, 7331

Why are those the prime factors of the number 40,181,211?

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 40,181,211

40,181,211
Factor Arrows
313,393,737
Factor Arrows
34,464,579
Factor Arrows
31,488,193
Factor Arrows
7212,599
Factor Arrows
297,331

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, 29, 7331

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 29 x 7,331 = 40,181,211

This can also be written as 33 x 71 x 291 x 7,3311 = 40,181,211

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


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