Q: What are the prime factors of the number 221,525,548?

 A: 2, 29, 1909703

Why are those the prime factors of the number 221,525,548?

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 221,525,548

221,525,548
Factor Arrows
2110,762,774
Factor Arrows
255,381,387
Factor Arrows
291,909,703

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, 29, 1909703

We can check our work by multiplying all of the prime factors together: 2 x 2 x 29 x 1,909,703 = 221,525,548

This can also be written as 22 x 291 x 1,909,7031 = 221,525,548

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 221,525,548:


Ask a Question