Q: What are the prime factors of the number 201,053,307?

 A: 3, 7, 13, 19, 83, 467

Why are those the prime factors of the number 201,053,307?

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 201,053,307

201,053,307
Factor Arrows
367,017,769
Factor Arrows
79,573,967
Factor Arrows
13736,459
Factor Arrows
1938,761
Factor Arrows
83467

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:

3, 7, 13, 19, 83, 467

We can check our work by multiplying all of the prime factors together: 3 x 7 x 13 x 19 x 83 x 467 = 201,053,307

This can also be written as 31 x 71 x 131 x 191 x 831 x 4671 = 201,053,307

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


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