Q: What are the prime factors of the number 40,566,177?

 A: 3, 139, 1201

Why are those the prime factors of the number 40,566,177?

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 40,566,177

40,566,177
Factor Arrows
313,522,059
Factor Arrows
34,507,353
Factor Arrows
31,502,451
Factor Arrows
3500,817
Factor Arrows
3166,939
Factor Arrows
1391,201

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, 139, 1201

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 139 x 1,201 = 40,566,177

This can also be written as 35 x 1391 x 1,2011 = 40,566,177

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


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