Q: What are the prime factors of the number 211,320,319?

 A: 7, 17, 47, 37783

Why are those the prime factors of the number 211,320,319?

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 211,320,319

211,320,319
Factor Arrows
730,188,617
Factor Arrows
171,775,801
Factor Arrows
4737,783

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:

7, 17, 47, 37783

We can check our work by multiplying all of the prime factors together: 7 x 17 x 47 x 37,783 = 211,320,319

This can also be written as 71 x 171 x 471 x 37,7831 = 211,320,319

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 211,320,319:


Ask a Question