Q: What are the prime factors of the number 228,205,446?

 A: 2, 3, 7, 31, 73

Why are those the prime factors of the number 228,205,446?

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 228,205,446

228,205,446
Factor Arrows
2114,102,723
Factor Arrows
338,034,241
Factor Arrows
75,433,463
Factor Arrows
7776,209
Factor Arrows
7110,887
Factor Arrows
715,841
Factor Arrows
72,263
Factor Arrows
3173

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, 7, 31, 73

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 7 x 7 x 7 x 7 x 31 x 73 = 228,205,446

This can also be written as 21 x 31 x 75 x 311 x 731 = 228,205,446

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 228,205,446:


Ask a Question