Q: What are the prime factors of the number 1,427,668?

 A: 2, 11, 71, 457

Why are those the prime factors of the number 1,427,668?

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 1,427,668

1,427,668
Factor Arrows
2713,834
Factor Arrows
2356,917
Factor Arrows
1132,447
Factor Arrows
71457

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, 11, 71, 457

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 71 x 457 = 1,427,668

This can also be written as 22 x 111 x 711 x 4571 = 1,427,668

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 1,427,668:


Ask a Question