Q: What are the prime factors of the number 12,500,026?

 A: 2, 7, 11, 47, 157

Why are those the prime factors of the number 12,500,026?

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 12,500,026

12,500,026
Factor Arrows
26,250,013
Factor Arrows
7892,859
Factor Arrows
1181,169
Factor Arrows
117,379
Factor Arrows
47157

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, 7, 11, 47, 157

We can check our work by multiplying all of the prime factors together: 2 x 7 x 11 x 11 x 47 x 157 = 12,500,026

This can also be written as 21 x 71 x 112 x 471 x 1571 = 12,500,026

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 12,500,026:


Ask a Question