Q: What are the prime factors of the number 542,157,842?

 A: 2, 29, 41, 227989

Why are those the prime factors of the number 542,157,842?

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 542,157,842

542,157,842
Factor Arrows
2271,078,921
Factor Arrows
299,347,549
Factor Arrows
41227,989

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, 29, 41, 227989

We can check our work by multiplying all of the prime factors together: 2 x 29 x 41 x 227,989 = 542,157,842

This can also be written as 21 x 291 x 411 x 227,9891 = 542,157,842

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 542,157,842:


Ask a Question