Q: What are the prime factors of the number 210,605,626?

 A: 2, 7, 11, 79, 2473

Why are those the prime factors of the number 210,605,626?

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 210,605,626

210,605,626
Factor Arrows
2105,302,813
Factor Arrows
715,043,259
Factor Arrows
72,149,037
Factor Arrows
11195,367
Factor Arrows
792,473

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, 7, 11, 79, 2473

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 11 x 79 x 2,473 = 210,605,626

This can also be written as 21 x 72 x 111 x 791 x 2,4731 = 210,605,626

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 210,605,626:


Ask a Question