Q: What are the prime factors of the number 201,850,012?

 A: 2, 7, 13, 11317

Why are those the prime factors of the number 201,850,012?

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 201,850,012

201,850,012
Factor Arrows
2100,925,006
Factor Arrows
250,462,503
Factor Arrows
77,208,929
Factor Arrows
71,029,847
Factor Arrows
7147,121
Factor Arrows
1311,317

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, 13, 11317

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 7 x 13 x 11,317 = 201,850,012

This can also be written as 22 x 73 x 131 x 11,3171 = 201,850,012

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


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