Q: What are the prime factors of the number 103,131,024?

 A: 2, 3, 79, 27197

Why are those the prime factors of the number 103,131,024?

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 103,131,024

103,131,024
Factor Arrows
251,565,512
Factor Arrows
225,782,756
Factor Arrows
212,891,378
Factor Arrows
26,445,689
Factor Arrows
32,148,563
Factor Arrows
7927,197

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, 79, 27197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 79 x 27,197 = 103,131,024

This can also be written as 24 x 31 x 791 x 27,1971 = 103,131,024

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


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