Q: What are the prime factors of the number 135,520,065?

 A: 3, 5, 19, 31, 5113

Why are those the prime factors of the number 135,520,065?

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 135,520,065

135,520,065
Factor Arrows
345,173,355
Factor Arrows
315,057,785
Factor Arrows
53,011,557
Factor Arrows
19158,503
Factor Arrows
315,113

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:

3, 5, 19, 31, 5113

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 19 x 31 x 5,113 = 135,520,065

This can also be written as 32 x 51 x 191 x 311 x 5,1131 = 135,520,065

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


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