Q: What are the prime factors of the number 18,617,344?

 A: 2, 18181

Why are those the prime factors of the number 18,617,344?

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 18,617,344

18,617,344
Factor Arrows
29,308,672
Factor Arrows
24,654,336
Factor Arrows
22,327,168
Factor Arrows
21,163,584
Factor Arrows
2581,792
Factor Arrows
2290,896
Factor Arrows
2145,448
Factor Arrows
272,724
Factor Arrows
236,362
Factor Arrows
218,181

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, 18181

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 2 x 2 x 2 x 18,181 = 18,617,344

This can also be written as 210 x 18,1811 = 18,617,344

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 18,617,344:


Ask a Question