Q: What are the prime factors of the number 533,121,840?

 A: 2, 3, 5, 331, 2237

Why are those the prime factors of the number 533,121,840?

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 533,121,840

533,121,840
Factor Arrows
2266,560,920
Factor Arrows
2133,280,460
Factor Arrows
266,640,230
Factor Arrows
233,320,115
Factor Arrows
311,106,705
Factor Arrows
33,702,235
Factor Arrows
5740,447
Factor Arrows
3312,237

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, 331, 2237

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 331 x 2,237 = 533,121,840

This can also be written as 24 x 32 x 51 x 3311 x 2,2371 = 533,121,840

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 533,121,840:


Ask a Question