Q: What are the prime factors of the number 1,111,008?

 A: 2, 3, 71, 163

Why are those the prime factors of the number 1,111,008?

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 1,111,008

1,111,008
Factor Arrows
2555,504
Factor Arrows
2277,752
Factor Arrows
2138,876
Factor Arrows
269,438
Factor Arrows
234,719
Factor Arrows
311,573
Factor Arrows
71163

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, 71, 163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 71 x 163 = 1,111,008

This can also be written as 25 x 31 x 711 x 1631 = 1,111,008

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 1,111,008:


Ask a Question