Q: What are the prime factors of the number 121,005,036?

 A: 2, 3, 83, 13499

Why are those the prime factors of the number 121,005,036?

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 121,005,036

121,005,036
Factor Arrows
260,502,518
Factor Arrows
230,251,259
Factor Arrows
310,083,753
Factor Arrows
33,361,251
Factor Arrows
31,120,417
Factor Arrows
8313,499

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, 83, 13499

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 83 x 13,499 = 121,005,036

This can also be written as 22 x 33 x 831 x 13,4991 = 121,005,036

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 121,005,036:


Ask a Question