Q: What are the prime factors of the number 275,512,545?

 A: 3, 5, 7, 11, 37, 307

Why are those the prime factors of the number 275,512,545?

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 275,512,545

275,512,545
Factor Arrows
391,837,515
Factor Arrows
330,612,505
Factor Arrows
56,122,501
Factor Arrows
7874,643
Factor Arrows
7124,949
Factor Arrows
1111,359
Factor Arrows
37307

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:

3, 5, 7, 11, 37, 307

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 7 x 11 x 37 x 307 = 275,512,545

This can also be written as 32 x 51 x 72 x 111 x 371 x 3071 = 275,512,545

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 275,512,545:


Ask a Question