Q: What are the prime factors of the number 166,612,240?

 A: 2, 5, 17, 122509

Why are those the prime factors of the number 166,612,240?

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 166,612,240

166,612,240
Factor Arrows
283,306,120
Factor Arrows
241,653,060
Factor Arrows
220,826,530
Factor Arrows
210,413,265
Factor Arrows
52,082,653
Factor Arrows
17122,509

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, 5, 17, 122509

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 17 x 122,509 = 166,612,240

This can also be written as 24 x 51 x 171 x 122,5091 = 166,612,240

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


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