Q: What are the prime factors of the number 205,024,204?

 A: 2, 7, 11, 31, 109, 197

Why are those the prime factors of the number 205,024,204?

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 205,024,204

205,024,204
Factor Arrows
2102,512,102
Factor Arrows
251,256,051
Factor Arrows
77,322,293
Factor Arrows
11665,663
Factor Arrows
3121,473
Factor Arrows
109197

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, 7, 11, 31, 109, 197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 11 x 31 x 109 x 197 = 205,024,204

This can also be written as 22 x 71 x 111 x 311 x 1091 x 1971 = 205,024,204

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


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