Q: What are the prime factors of the number 635,326,644?

 A: 2, 3, 127, 416881

Why are those the prime factors of the number 635,326,644?

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 635,326,644

635,326,644
Factor Arrows
2317,663,322
Factor Arrows
2158,831,661
Factor Arrows
352,943,887
Factor Arrows
127416,881

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, 127, 416881

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 127 x 416,881 = 635,326,644

This can also be written as 22 x 31 x 1271 x 416,8811 = 635,326,644

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


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