Q: What are the prime factors of the number 166,260,800?

 A: 2, 5, 103913

Why are those the prime factors of the number 166,260,800?

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 166,260,800

166,260,800
Factor Arrows
283,130,400
Factor Arrows
241,565,200
Factor Arrows
220,782,600
Factor Arrows
210,391,300
Factor Arrows
25,195,650
Factor Arrows
22,597,825
Factor Arrows
5519,565
Factor Arrows
5103,913

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, 103913

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 103,913 = 166,260,800

This can also be written as 26 x 52 x 103,9131 = 166,260,800

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


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