Q: What are the prime factors of the number 30,342,448?

 A: 2, 47, 157, 257

Why are those the prime factors of the number 30,342,448?

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 30,342,448

30,342,448
Factor Arrows
215,171,224
Factor Arrows
27,585,612
Factor Arrows
23,792,806
Factor Arrows
21,896,403
Factor Arrows
4740,349
Factor Arrows
157257

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, 47, 157, 257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 47 x 157 x 257 = 30,342,448

This can also be written as 24 x 471 x 1571 x 2571 = 30,342,448

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 30,342,448:


Ask a Question