Q: What are the prime factors of the number 142,065?

 A: 3, 5, 7, 11, 41

Why are those the prime factors of the number 142,065?

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 142,065

142,065
Factor Arrows
347,355
Factor Arrows
315,785
Factor Arrows
53,157
Factor Arrows
7451
Factor Arrows
1141

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, 5, 7, 11, 41

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 11 x 41 = 142,065

This can also be written as 32 x 51 x 71 x 111 x 411 = 142,065

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 142,065:


Ask a Question