Q: What are the prime factors of the number 131,122,016?

 A: 2, 73, 56131

Why are those the prime factors of the number 131,122,016?

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 131,122,016

131,122,016
Factor Arrows
265,561,008
Factor Arrows
232,780,504
Factor Arrows
216,390,252
Factor Arrows
28,195,126
Factor Arrows
24,097,563
Factor Arrows
7356,131

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, 73, 56131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 73 x 56,131 = 131,122,016

This can also be written as 25 x 731 x 56,1311 = 131,122,016

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


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