Q: What are the prime factors of the number 635,142?

 A: 2, 3, 37, 2861

Why are those the prime factors of the number 635,142?

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 635,142

635,142
Factor Arrows
2317,571
Factor Arrows
3105,857
Factor Arrows
372,861

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, 37, 2861

We can check our work by multiplying all of the prime factors together: 2 x 3 x 37 x 2,861 = 635,142

This can also be written as 21 x 31 x 371 x 2,8611 = 635,142

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 635,142:


Ask a Question