Q: What are the prime factors of the number 166,365,133?

Why are those the prime factors of the number 166,365,133?

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 166,365,133

	166,365,133
11		15,124,103
	757		19,979

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, 757, 19979

We can check our work by multiplying all of the prime factors together: 11 x 757 x 19,979 = 166,365,133

This can also be written as 11¹ x 757¹ x 19,979¹ = 166,365,133

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

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