Q: What are the prime factors of the number 105,288,080?

 A: 2, 5, 43, 127, 241

Why are those the prime factors of the number 105,288,080?

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 105,288,080

105,288,080
Factor Arrows
252,644,040
Factor Arrows
226,322,020
Factor Arrows
213,161,010
Factor Arrows
26,580,505
Factor Arrows
51,316,101
Factor Arrows
4330,607
Factor Arrows
127241

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, 43, 127, 241

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 43 x 127 x 241 = 105,288,080

This can also be written as 24 x 51 x 431 x 1271 x 2411 = 105,288,080

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 105,288,080:


Ask a Question