Q: What are the prime factors of the number 166,105,350?

 A: 2, 3, 5, 41, 3001

Why are those the prime factors of the number 166,105,350?

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 166,105,350

166,105,350
Factor Arrows
283,052,675
Factor Arrows
327,684,225
Factor Arrows
39,228,075
Factor Arrows
33,076,025
Factor Arrows
5615,205
Factor Arrows
5123,041
Factor Arrows
413,001

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, 3, 5, 41, 3001

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 5 x 41 x 3,001 = 166,105,350

This can also be written as 21 x 33 x 52 x 411 x 3,0011 = 166,105,350

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


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