Q: What are the prime factors of the number 315,425,112?

 A: 2, 3, 29, 453197

Why are those the prime factors of the number 315,425,112?

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 315,425,112

315,425,112
Factor Arrows
2157,712,556
Factor Arrows
278,856,278
Factor Arrows
239,428,139
Factor Arrows
313,142,713
Factor Arrows
29453,197

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, 29, 453197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 29 x 453,197 = 315,425,112

This can also be written as 23 x 31 x 291 x 453,1971 = 315,425,112

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


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