Q: What are the prime factors of the number 12,365,955?

 A: 3, 5, 7, 37, 1061

Why are those the prime factors of the number 12,365,955?

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 12,365,955

12,365,955
Factor Arrows
34,121,985
Factor Arrows
31,373,995
Factor Arrows
5274,799
Factor Arrows
739,257
Factor Arrows
371,061

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, 7, 37, 1061

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 37 x 1,061 = 12,365,955

This can also be written as 32 x 51 x 71 x 371 x 1,0611 = 12,365,955

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 12,365,955:


Ask a Question