Q: What are the prime factors of the number 140,855?

 A: 5, 11, 13, 197

Why are those the prime factors of the number 140,855?

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 140,855

140,855
Factor Arrows
528,171
Factor Arrows
112,561
Factor Arrows
13197

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:

5, 11, 13, 197

We can check our work by multiplying all of the prime factors together: 5 x 11 x 13 x 197 = 140,855

This can also be written as 51 x 111 x 131 x 1971 = 140,855

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 140,855:


Ask a Question