Q: What are the prime factors of the number 202,142,031?

 A: 3, 7, 13, 331, 2237

Why are those the prime factors of the number 202,142,031?

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 202,142,031

202,142,031
Factor Arrows
367,380,677
Factor Arrows
79,625,811
Factor Arrows
13740,447
Factor Arrows
3312,237

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, 331, 2237

We can check our work by multiplying all of the prime factors together: 3 x 7 x 13 x 331 x 2,237 = 202,142,031

This can also be written as 31 x 71 x 131 x 3311 x 2,2371 = 202,142,031

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


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