Q: What are the prime factors of the number 3,110,800?

 A: 2, 5, 7, 11, 101

Why are those the prime factors of the number 3,110,800?

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 3,110,800

3,110,800
Factor Arrows
21,555,400
Factor Arrows
2777,700
Factor Arrows
2388,850
Factor Arrows
2194,425
Factor Arrows
538,885
Factor Arrows
57,777
Factor Arrows
71,111
Factor Arrows
11101

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, 5, 7, 11, 101

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 7 x 11 x 101 = 3,110,800

This can also be written as 24 x 52 x 71 x 111 x 1011 = 3,110,800

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 3,110,800:


Ask a Question