Q: What are the prime factors of the number 31,714,214?

 A: 2, 7, 17, 133253

Why are those the prime factors of the number 31,714,214?

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 31,714,214

31,714,214
Factor Arrows
215,857,107
Factor Arrows
72,265,301
Factor Arrows
17133,253

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, 17, 133253

We can check our work by multiplying all of the prime factors together: 2 x 7 x 17 x 133,253 = 31,714,214

This can also be written as 21 x 71 x 171 x 133,2531 = 31,714,214

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


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