Q: What are the prime factors of the number 130,322,340?

 A: 2, 3, 5, 17, 42589

Why are those the prime factors of the number 130,322,340?

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 130,322,340

130,322,340
Factor Arrows
265,161,170
Factor Arrows
232,580,585
Factor Arrows
310,860,195
Factor Arrows
33,620,065
Factor Arrows
5724,013
Factor Arrows
1742,589

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, 5, 17, 42589

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 17 x 42,589 = 130,322,340

This can also be written as 22 x 32 x 51 x 171 x 42,5891 = 130,322,340

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


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