Q: What are the prime factors of the number 31,714,984?

 A: 2, 7, 31, 18269

Why are those the prime factors of the number 31,714,984?

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 31,714,984

31,714,984
Factor Arrows
215,857,492
Factor Arrows
27,928,746
Factor Arrows
23,964,373
Factor Arrows
7566,339
Factor Arrows
3118,269

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, 31, 18269

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 31 x 18,269 = 31,714,984

This can also be written as 23 x 71 x 311 x 18,2691 = 31,714,984

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


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