Q: What are the prime factors of the number 503,140,544?

 A: 2, 251, 31321

Why are those the prime factors of the number 503,140,544?

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 503,140,544

503,140,544
Factor Arrows
2251,570,272
Factor Arrows
2125,785,136
Factor Arrows
262,892,568
Factor Arrows
231,446,284
Factor Arrows
215,723,142
Factor Arrows
27,861,571
Factor Arrows
25131,321

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, 251, 31321

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 251 x 31,321 = 503,140,544

This can also be written as 26 x 2511 x 31,3211 = 503,140,544

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 503,140,544:


Ask a Question