Q: What are the prime factors of the number 485,181,008?

 A: 2, 13, 89, 26209

Why are those the prime factors of the number 485,181,008?

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 485,181,008

485,181,008
Factor Arrows
2242,590,504
Factor Arrows
2121,295,252
Factor Arrows
260,647,626
Factor Arrows
230,323,813
Factor Arrows
132,332,601
Factor Arrows
8926,209

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, 13, 89, 26209

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 89 x 26,209 = 485,181,008

This can also be written as 24 x 131 x 891 x 26,2091 = 485,181,008

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


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