Q: What are the prime factors of the number 324,542,550?

 A: 2, 3, 5, 157, 13781

Why are those the prime factors of the number 324,542,550?

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 324,542,550

324,542,550
Factor Arrows
2162,271,275
Factor Arrows
354,090,425
Factor Arrows
510,818,085
Factor Arrows
52,163,617
Factor Arrows
15713,781

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, 5, 157, 13781

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 157 x 13,781 = 324,542,550

This can also be written as 21 x 31 x 52 x 1571 x 13,7811 = 324,542,550

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 324,542,550:


Ask a Question