Q: What are the prime factors of the number 361,135,260?

 A: 2, 3, 5, 29, 7687

Why are those the prime factors of the number 361,135,260?

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 361,135,260

361,135,260
Factor Arrows
2180,567,630
Factor Arrows
290,283,815
Factor Arrows
330,094,605
Factor Arrows
310,031,535
Factor Arrows
33,343,845
Factor Arrows
31,114,615
Factor Arrows
5222,923
Factor Arrows
297,687

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, 29, 7687

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 5 x 29 x 7,687 = 361,135,260

This can also be written as 22 x 34 x 51 x 291 x 7,6871 = 361,135,260

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


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