Q: What are the prime factors of the number 215,466,372?

 A: 2, 3, 11, 67, 2707

Why are those the prime factors of the number 215,466,372?

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 215,466,372

215,466,372
Factor Arrows
2107,733,186
Factor Arrows
253,866,593
Factor Arrows
317,955,531
Factor Arrows
35,985,177
Factor Arrows
31,995,059
Factor Arrows
11181,369
Factor Arrows
672,707

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, 11, 67, 2707

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 11 x 67 x 2,707 = 215,466,372

This can also be written as 22 x 33 x 111 x 671 x 2,7071 = 215,466,372

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 215,466,372:


Ask a Question