Q: What are the prime factors of the number 261,146,652?

 A: 2, 3, 13, 359, 4663

Why are those the prime factors of the number 261,146,652?

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 261,146,652

261,146,652
Factor Arrows
2130,573,326
Factor Arrows
265,286,663
Factor Arrows
321,762,221
Factor Arrows
131,674,017
Factor Arrows
3594,663

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, 13, 359, 4663

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 13 x 359 x 4,663 = 261,146,652

This can also be written as 22 x 31 x 131 x 3591 x 4,6631 = 261,146,652

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 261,146,652:


Ask a Question