Q: What are the prime factors of the number 205,006,200?

 A: 2, 3, 5, 7, 19, 367

Why are those the prime factors of the number 205,006,200?

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 205,006,200

205,006,200
Factor Arrows
2102,503,100
Factor Arrows
251,251,550
Factor Arrows
225,625,775
Factor Arrows
38,541,925
Factor Arrows
51,708,385
Factor Arrows
5341,677
Factor Arrows
748,811
Factor Arrows
76,973
Factor Arrows
19367

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, 5, 7, 19, 367

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 5 x 7 x 7 x 19 x 367 = 205,006,200

This can also be written as 23 x 31 x 52 x 72 x 191 x 3671 = 205,006,200

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 205,006,200:


Ask a Question