Q: What are the prime factors of the number 198,501,624?

 A: 2, 3, 918989

Why are those the prime factors of the number 198,501,624?

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 198,501,624

198,501,624
Factor Arrows
299,250,812
Factor Arrows
249,625,406
Factor Arrows
224,812,703
Factor Arrows
38,270,901
Factor Arrows
32,756,967
Factor Arrows
3918,989

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, 918989

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 918,989 = 198,501,624

This can also be written as 23 x 33 x 918,9891 = 198,501,624

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


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