Q: What are the prime factors of the number 16,507,800?

 A: 2, 3, 5, 1019

Why are those the prime factors of the number 16,507,800?

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 16,507,800

16,507,800
Factor Arrows
28,253,900
Factor Arrows
24,126,950
Factor Arrows
22,063,475
Factor Arrows
3687,825
Factor Arrows
3229,275
Factor Arrows
376,425
Factor Arrows
325,475
Factor Arrows
55,095
Factor Arrows
51,019

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, 5, 1019

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 5 x 5 x 1,019 = 16,507,800

This can also be written as 23 x 34 x 52 x 1,0191 = 16,507,800

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 16,507,800:


Ask a Question