Q: What are the prime factors of the number 277,532,640?

 A: 2, 3, 5, 7, 11, 2503

Why are those the prime factors of the number 277,532,640?

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 277,532,640

277,532,640
Factor Arrows
2138,766,320
Factor Arrows
269,383,160
Factor Arrows
234,691,580
Factor Arrows
217,345,790
Factor Arrows
28,672,895
Factor Arrows
32,890,965
Factor Arrows
3963,655
Factor Arrows
5192,731
Factor Arrows
727,533
Factor Arrows
112,503

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, 7, 11, 2503

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 7 x 11 x 2,503 = 277,532,640

This can also be written as 25 x 32 x 51 x 71 x 111 x 2,5031 = 277,532,640

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 277,532,640:


Ask a Question