Q: What are the prime factors of the number 180,312,080?

 A: 2, 5, 13, 281, 617

Why are those the prime factors of the number 180,312,080?

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 180,312,080

180,312,080
Factor Arrows
290,156,040
Factor Arrows
245,078,020
Factor Arrows
222,539,010
Factor Arrows
211,269,505
Factor Arrows
52,253,901
Factor Arrows
13173,377
Factor Arrows
281617

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, 5, 13, 281, 617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 13 x 281 x 617 = 180,312,080

This can also be written as 24 x 51 x 131 x 2811 x 6171 = 180,312,080

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


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