Q: What are the prime factors of the number 315,150,040?

 A: 2, 5, 47, 167633

Why are those the prime factors of the number 315,150,040?

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 315,150,040

315,150,040
Factor Arrows
2157,575,020
Factor Arrows
278,787,510
Factor Arrows
239,393,755
Factor Arrows
57,878,751
Factor Arrows
47167,633

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, 5, 47, 167633

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 47 x 167,633 = 315,150,040

This can also be written as 23 x 51 x 471 x 167,6331 = 315,150,040

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


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