Q: What are the prime factors of the number 8,261,504?

 A: 2, 19, 43, 79

Why are those the prime factors of the number 8,261,504?

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 8,261,504

8,261,504
Factor Arrows
24,130,752
Factor Arrows
22,065,376
Factor Arrows
21,032,688
Factor Arrows
2516,344
Factor Arrows
2258,172
Factor Arrows
2129,086
Factor Arrows
264,543
Factor Arrows
193,397
Factor Arrows
4379

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, 19, 43, 79

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 19 x 43 x 79 = 8,261,504

This can also be written as 27 x 191 x 431 x 791 = 8,261,504

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 8,261,504:


Ask a Question