Q: What are the prime factors of the number 421,353,325?

 A: 5, 29, 581177

Why are those the prime factors of the number 421,353,325?

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 421,353,325

421,353,325
Factor Arrows
584,270,665
Factor Arrows
516,854,133
Factor Arrows
29581,177

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, 29, 581177

We can check our work by multiplying all of the prime factors together: 5 x 5 x 29 x 581,177 = 421,353,325

This can also be written as 52 x 291 x 581,1771 = 421,353,325

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 421,353,325:


Ask a Question