Q: What are the prime factors of the number 166,818,930?

 A: 2, 3, 5, 43, 89, 1453

Why are those the prime factors of the number 166,818,930?

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 166,818,930

166,818,930
Factor Arrows
283,409,465
Factor Arrows
327,803,155
Factor Arrows
55,560,631
Factor Arrows
43129,317
Factor Arrows
891,453

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, 5, 43, 89, 1453

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 43 x 89 x 1,453 = 166,818,930

This can also be written as 21 x 31 x 51 x 431 x 891 x 1,4531 = 166,818,930

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


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