Q: What are the prime factors of the number 145,204,137?

 A: 3, 13, 19, 21773

Why are those the prime factors of the number 145,204,137?

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 145,204,137

145,204,137
Factor Arrows
348,401,379
Factor Arrows
316,133,793
Factor Arrows
35,377,931
Factor Arrows
13413,687
Factor Arrows
1921,773

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:

3, 13, 19, 21773

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 13 x 19 x 21,773 = 145,204,137

This can also be written as 33 x 131 x 191 x 21,7731 = 145,204,137

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 145,204,137:


Ask a Question