Q: What are the prime factors of the number 345,211,254?

 A: 2, 3, 787, 8123

Why are those the prime factors of the number 345,211,254?

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 345,211,254

345,211,254
Factor Arrows
2172,605,627
Factor Arrows
357,535,209
Factor Arrows
319,178,403
Factor Arrows
36,392,801
Factor Arrows
7878,123

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, 787, 8123

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 787 x 8,123 = 345,211,254

This can also be written as 21 x 33 x 7871 x 8,1231 = 345,211,254

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 345,211,254:


Ask a Question