Q: What are the prime factors of the number 215,130,344?

 A: 2, 11, 13, 173, 1087

Why are those the prime factors of the number 215,130,344?

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 215,130,344

215,130,344
Factor Arrows
2107,565,172
Factor Arrows
253,782,586
Factor Arrows
226,891,293
Factor Arrows
112,444,663
Factor Arrows
13188,051
Factor Arrows
1731,087

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, 11, 13, 173, 1087

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 13 x 173 x 1,087 = 215,130,344

This can also be written as 23 x 111 x 131 x 1731 x 1,0871 = 215,130,344

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 215,130,344:


Ask a Question