Q: What are the prime factors of the number 211,321,340?

 A: 2, 5, 131, 80657

Why are those the prime factors of the number 211,321,340?

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 211,321,340

211,321,340
Factor Arrows
2105,660,670
Factor Arrows
252,830,335
Factor Arrows
510,566,067
Factor Arrows
13180,657

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, 5, 131, 80657

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 131 x 80,657 = 211,321,340

This can also be written as 22 x 51 x 1311 x 80,6571 = 211,321,340

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 211,321,340:


Ask a Question