Q: What are the prime factors of the number 78,341,042?

 A: 2, 13, 337, 8941

Why are those the prime factors of the number 78,341,042?

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 78,341,042

78,341,042
Factor Arrows
239,170,521
Factor Arrows
133,013,117
Factor Arrows
3378,941

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, 337, 8941

We can check our work by multiplying all of the prime factors together: 2 x 13 x 337 x 8,941 = 78,341,042

This can also be written as 21 x 131 x 3371 x 8,9411 = 78,341,042

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 78,341,042:


Ask a Question