Q: What are the prime factors of the number 29,021,085?

 A: 3, 5, 131, 547

Why are those the prime factors of the number 29,021,085?

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 29,021,085

29,021,085
Factor Arrows
39,673,695
Factor Arrows
33,224,565
Factor Arrows
31,074,855
Factor Arrows
3358,285
Factor Arrows
571,657
Factor Arrows
131547

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:

3, 5, 131, 547

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 5 x 131 x 547 = 29,021,085

This can also be written as 34 x 51 x 1311 x 5471 = 29,021,085

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 29,021,085:


Ask a Question