Q: What are the prime factors of the number 26,638,494?

 A: 2, 3, 19, 181, 1291

Why are those the prime factors of the number 26,638,494?

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 26,638,494

26,638,494
Factor Arrows
213,319,247
Factor Arrows
34,439,749
Factor Arrows
19233,671
Factor Arrows
1811,291

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, 3, 19, 181, 1291

We can check our work by multiplying all of the prime factors together: 2 x 3 x 19 x 181 x 1,291 = 26,638,494

This can also be written as 21 x 31 x 191 x 1811 x 1,2911 = 26,638,494

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 26,638,494:


Ask a Question