Q: What are the prime factors of the number 11,223,168?

 A: 2, 3, 11, 2657

Why are those the prime factors of the number 11,223,168?

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 11,223,168

11,223,168
Factor Arrows
25,611,584
Factor Arrows
22,805,792
Factor Arrows
21,402,896
Factor Arrows
2701,448
Factor Arrows
2350,724
Factor Arrows
2175,362
Factor Arrows
287,681
Factor Arrows
329,227
Factor Arrows
112,657

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, 11, 2657

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 11 x 2,657 = 11,223,168

This can also be written as 27 x 31 x 111 x 2,6571 = 11,223,168

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 11,223,168:


Ask a Question