Q: What are the prime factors of the number 202,011,100?

 A: 2, 5, 29, 41, 1699

Why are those the prime factors of the number 202,011,100?

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 202,011,100

202,011,100
Factor Arrows
2101,005,550
Factor Arrows
250,502,775
Factor Arrows
510,100,555
Factor Arrows
52,020,111
Factor Arrows
2969,659
Factor Arrows
411,699

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, 29, 41, 1699

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 29 x 41 x 1,699 = 202,011,100

This can also be written as 22 x 52 x 291 x 411 x 1,6991 = 202,011,100

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


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