Q: What are the prime factors of the number 627,840,160?

 A: 2, 5, 1009, 3889

Why are those the prime factors of the number 627,840,160?

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 627,840,160

627,840,160
Factor Arrows
2313,920,080
Factor Arrows
2156,960,040
Factor Arrows
278,480,020
Factor Arrows
239,240,010
Factor Arrows
219,620,005
Factor Arrows
53,924,001
Factor Arrows
1,0093,889

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, 1009, 3889

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 1,009 x 3,889 = 627,840,160

This can also be written as 25 x 51 x 1,0091 x 3,8891 = 627,840,160

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


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