Q: What are the prime factors of the number 144,141,728?

 A: 2, 4504429

Why are those the prime factors of the number 144,141,728?

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 144,141,728

144,141,728
Factor Arrows
272,070,864
Factor Arrows
236,035,432
Factor Arrows
218,017,716
Factor Arrows
29,008,858
Factor Arrows
24,504,429

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, 4504429

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 4,504,429 = 144,141,728

This can also be written as 25 x 4,504,4291 = 144,141,728

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 144,141,728:


Ask a Question