Q: What are the prime factors of the number 201,241,144?

 A: 2, 13, 73, 2039

Why are those the prime factors of the number 201,241,144?

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 201,241,144

201,241,144
Factor Arrows
2100,620,572
Factor Arrows
250,310,286
Factor Arrows
225,155,143
Factor Arrows
131,935,011
Factor Arrows
13148,847
Factor Arrows
732,039

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, 13, 73, 2039

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 13 x 13 x 73 x 2,039 = 201,241,144

This can also be written as 23 x 132 x 731 x 2,0391 = 201,241,144

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 201,241,144:


Ask a Question