Q: What are the prime factors of the number 202,031,120?

 A: 2, 5, 2525389

Why are those the prime factors of the number 202,031,120?

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 202,031,120

202,031,120
Factor Arrows
2101,015,560
Factor Arrows
250,507,780
Factor Arrows
225,253,890
Factor Arrows
212,626,945
Factor Arrows
52,525,389

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, 2525389

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 2,525,389 = 202,031,120

This can also be written as 24 x 51 x 2,525,3891 = 202,031,120

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


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