Q: What are the prime factors of the number 27,151,047?

 A: 3, 7, 11, 29, 193

Why are those the prime factors of the number 27,151,047?

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 27,151,047

27,151,047
Factor Arrows
39,050,349
Factor Arrows
33,016,783
Factor Arrows
7430,969
Factor Arrows
761,567
Factor Arrows
115,597
Factor Arrows
29193

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:

3, 7, 11, 29, 193

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 7 x 11 x 29 x 193 = 27,151,047

This can also be written as 32 x 72 x 111 x 291 x 1931 = 27,151,047

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 27,151,047:


Ask a Question