Q: What are the prime factors of the number 18,974,112?

 A: 2, 3, 197647

Why are those the prime factors of the number 18,974,112?

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 18,974,112

18,974,112
Factor Arrows
29,487,056
Factor Arrows
24,743,528
Factor Arrows
22,371,764
Factor Arrows
21,185,882
Factor Arrows
2592,941
Factor Arrows
3197,647

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, 197647

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 197,647 = 18,974,112

This can also be written as 25 x 31 x 197,6471 = 18,974,112

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 18,974,112:


Ask a Question