Q: What are the prime factors of the number 200,640,610?

 A: 2, 5, 137, 1069

Why are those the prime factors of the number 200,640,610?

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 200,640,610

200,640,610
Factor Arrows
2100,320,305
Factor Arrows
520,064,061
Factor Arrows
137146,453
Factor Arrows
1371,069

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, 137, 1069

We can check our work by multiplying all of the prime factors together: 2 x 5 x 137 x 137 x 1,069 = 200,640,610

This can also be written as 21 x 51 x 1372 x 1,0691 = 200,640,610

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


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