Q: What are the prime factors of the number 166,234,211?

 A: 11, 13, 17, 19, 59, 61

Why are those the prime factors of the number 166,234,211?

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 166,234,211

166,234,211
Factor Arrows
1115,112,201
Factor Arrows
131,162,477
Factor Arrows
1768,381
Factor Arrows
193,599
Factor Arrows
5961

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:

11, 13, 17, 19, 59, 61

We can check our work by multiplying all of the prime factors together: 11 x 13 x 17 x 19 x 59 x 61 = 166,234,211

This can also be written as 111 x 131 x 171 x 191 x 591 x 611 = 166,234,211

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


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