Q: What are the prime factors of the number 11,577,216?

 A: 2, 3, 7, 59, 73

Why are those the prime factors of the number 11,577,216?

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 11,577,216

11,577,216
Factor Arrows
25,788,608
Factor Arrows
22,894,304
Factor Arrows
21,447,152
Factor Arrows
2723,576
Factor Arrows
2361,788
Factor Arrows
2180,894
Factor Arrows
290,447
Factor Arrows
330,149
Factor Arrows
74,307
Factor Arrows
5973

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, 59, 73

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 59 x 73 = 11,577,216

This can also be written as 27 x 31 x 71 x 591 x 731 = 11,577,216

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 11,577,216:


Ask a Question