Q: What are the prime factors of the number 202,662,100?

 A: 2, 5, 17, 97, 1229

Why are those the prime factors of the number 202,662,100?

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 202,662,100

202,662,100
Factor Arrows
2101,331,050
Factor Arrows
250,665,525
Factor Arrows
510,133,105
Factor Arrows
52,026,621
Factor Arrows
17119,213
Factor Arrows
971,229

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, 17, 97, 1229

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 17 x 97 x 1,229 = 202,662,100

This can also be written as 22 x 52 x 171 x 971 x 1,2291 = 202,662,100

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


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