Q: What are the prime factors of the number 18,673,536?

 A: 2, 3, 7, 6947

Why are those the prime factors of the number 18,673,536?

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 18,673,536

18,673,536
Factor Arrows
29,336,768
Factor Arrows
24,668,384
Factor Arrows
22,334,192
Factor Arrows
21,167,096
Factor Arrows
2583,548
Factor Arrows
2291,774
Factor Arrows
2145,887
Factor Arrows
348,629
Factor Arrows
76,947

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, 7, 6947

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 7 x 6,947 = 18,673,536

This can also be written as 27 x 31 x 71 x 6,9471 = 18,673,536

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 18,673,536:


Ask a Question