Q: What are the prime factors of the number 202,414,144?

 A: 2, 19, 8761

Why are those the prime factors of the number 202,414,144?

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 202,414,144

202,414,144
Factor Arrows
2101,207,072
Factor Arrows
250,603,536
Factor Arrows
225,301,768
Factor Arrows
212,650,884
Factor Arrows
26,325,442
Factor Arrows
23,162,721
Factor Arrows
19166,459
Factor Arrows
198,761

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, 19, 8761

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 19 x 19 x 8,761 = 202,414,144

This can also be written as 26 x 192 x 8,7611 = 202,414,144

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


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