Q: What are the prime factors of the number 57,126,181?

 A: 7, 23, 15427

Why are those the prime factors of the number 57,126,181?

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 57,126,181

57,126,181
Factor Arrows
78,160,883
Factor Arrows
23354,821
Factor Arrows
2315,427

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:

7, 23, 15427

We can check our work by multiplying all of the prime factors together: 7 x 23 x 23 x 15,427 = 57,126,181

This can also be written as 71 x 232 x 15,4271 = 57,126,181

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


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