Q: What are the prime factors of the number 12,751,365?

 A: 3, 5, 11, 109, 709

Why are those the prime factors of the number 12,751,365?

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 12,751,365

12,751,365
Factor Arrows
34,250,455
Factor Arrows
5850,091
Factor Arrows
1177,281
Factor Arrows
109709

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, 5, 11, 109, 709

We can check our work by multiplying all of the prime factors together: 3 x 5 x 11 x 109 x 709 = 12,751,365

This can also be written as 31 x 51 x 111 x 1091 x 7091 = 12,751,365

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 12,751,365:


Ask a Question