Q: What are the prime factors of the number 166,821,744?

 A: 2, 3, 3475453

Why are those the prime factors of the number 166,821,744?

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 166,821,744

166,821,744
Factor Arrows
283,410,872
Factor Arrows
241,705,436
Factor Arrows
220,852,718
Factor Arrows
210,426,359
Factor Arrows
33,475,453

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, 3475453

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3,475,453 = 166,821,744

This can also be written as 24 x 31 x 3,475,4531 = 166,821,744

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


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