Q: What are the prime factors of the number 267,400,128?

 A: 2, 3, 499, 2791

Why are those the prime factors of the number 267,400,128?

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 267,400,128

267,400,128
Factor Arrows
2133,700,064
Factor Arrows
266,850,032
Factor Arrows
233,425,016
Factor Arrows
216,712,508
Factor Arrows
28,356,254
Factor Arrows
24,178,127
Factor Arrows
31,392,709
Factor Arrows
4992,791

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, 499, 2791

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 3 x 499 x 2,791 = 267,400,128

This can also be written as 26 x 31 x 4991 x 2,7911 = 267,400,128

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 267,400,128:


Ask a Question