Q: What are the prime factors of the number 201,402?

 A: 2, 3, 67, 167

Why are those the prime factors of the number 201,402?

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 201,402

201,402
Factor Arrows
2100,701
Factor Arrows
333,567
Factor Arrows
311,189
Factor Arrows
67167

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, 3, 67, 167

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 67 x 167 = 201,402

This can also be written as 21 x 32 x 671 x 1671 = 201,402

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


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