Q: What are the prime factors of the number 130,241,304?

 A: 2, 3, 431, 1399

Why are those the prime factors of the number 130,241,304?

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 130,241,304

130,241,304
Factor Arrows
265,120,652
Factor Arrows
232,560,326
Factor Arrows
216,280,163
Factor Arrows
35,426,721
Factor Arrows
31,808,907
Factor Arrows
3602,969
Factor Arrows
4311,399

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, 431, 1399

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 431 x 1,399 = 130,241,304

This can also be written as 23 x 33 x 4311 x 1,3991 = 130,241,304

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


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