Q: What are the prime factors of the number 103,644,036?

 A: 2, 3, 17, 31, 607

Why are those the prime factors of the number 103,644,036?

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 103,644,036

103,644,036
Factor Arrows
251,822,018
Factor Arrows
225,911,009
Factor Arrows
38,637,003
Factor Arrows
32,879,001
Factor Arrows
3959,667
Factor Arrows
3319,889
Factor Arrows
1718,817
Factor Arrows
31607

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, 17, 31, 607

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 17 x 31 x 607 = 103,644,036

This can also be written as 22 x 34 x 171 x 311 x 6071 = 103,644,036

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


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