Q: What are the prime factors of the number 100,003,080?

 A: 2, 3, 5, 19, 23, 1907

Why are those the prime factors of the number 100,003,080?

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 100,003,080

100,003,080
Factor Arrows
250,001,540
Factor Arrows
225,000,770
Factor Arrows
212,500,385
Factor Arrows
34,166,795
Factor Arrows
5833,359
Factor Arrows
1943,861
Factor Arrows
231,907

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, 5, 19, 23, 1907

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 19 x 23 x 1,907 = 100,003,080

This can also be written as 23 x 31 x 51 x 191 x 231 x 1,9071 = 100,003,080

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


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 100,003,080:


Ask a Question