Q: What are the prime factors of the number 131,877,024?

 A: 2, 3, 17, 19, 4253

Why are those the prime factors of the number 131,877,024?

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 131,877,024

131,877,024
Factor Arrows
265,938,512
Factor Arrows
232,969,256
Factor Arrows
216,484,628
Factor Arrows
28,242,314
Factor Arrows
24,121,157
Factor Arrows
31,373,719
Factor Arrows
1780,807
Factor Arrows
194,253

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, 17, 19, 4253

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 17 x 19 x 4,253 = 131,877,024

This can also be written as 25 x 31 x 171 x 191 x 4,2531 = 131,877,024

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


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