Q: What are the prime factors of the number 71,166,777?

 A: 3, 11, 17, 126857

Why are those the prime factors of the number 71,166,777?

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 71,166,777

71,166,777
Factor Arrows
323,722,259
Factor Arrows
112,156,569
Factor Arrows
17126,857

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, 11, 17, 126857

We can check our work by multiplying all of the prime factors together: 3 x 11 x 17 x 126,857 = 71,166,777

This can also be written as 31 x 111 x 171 x 126,8571 = 71,166,777

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


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