Q: What are the prime factors of the number 1,942,836?

 A: 2, 3, 7, 101, 229

Why are those the prime factors of the number 1,942,836?

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 1,942,836

1,942,836
Factor Arrows
2971,418
Factor Arrows
2485,709
Factor Arrows
3161,903
Factor Arrows
723,129
Factor Arrows
101229

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, 7, 101, 229

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 101 x 229 = 1,942,836

This can also be written as 22 x 31 x 71 x 1011 x 2291 = 1,942,836

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 1,942,836:


Ask a Question