Q: What are the prime factors of the number 166,202,722?

 A: 2, 7, 193, 61511

Why are those the prime factors of the number 166,202,722?

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 166,202,722

166,202,722
Factor Arrows
283,101,361
Factor Arrows
711,871,623
Factor Arrows
19361,511

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:

2, 7, 193, 61511

We can check our work by multiplying all of the prime factors together: 2 x 7 x 193 x 61,511 = 166,202,722

This can also be written as 21 x 71 x 1931 x 61,5111 = 166,202,722

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


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