Q: What are the prime factors of the number 20,441,140?

 A: 2, 5, 17, 59, 1019

Why are those the prime factors of the number 20,441,140?

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 20,441,140

20,441,140
Factor Arrows
210,220,570
Factor Arrows
25,110,285
Factor Arrows
51,022,057
Factor Arrows
1760,121
Factor Arrows
591,019

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, 5, 17, 59, 1019

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 17 x 59 x 1,019 = 20,441,140

This can also be written as 22 x 51 x 171 x 591 x 1,0191 = 20,441,140

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 20,441,140:


Ask a Question