3,9,27,81,243,729
1. As long as there are two prime numbers in a set, the only common factor for the set will be 1.
13 prime numbers
3, 9, 27, 81, 243, 729
3, 9, 27, 81, 243, and 729.
3,9,27,81,243,729
Since all numbers have one as a factor, there is no number with three as its only factor.
The prime numbers (factors) of 1000 are: 2 and 5
168 prime numbers under 1000.
That's an infinite list, started by 1024
There are 168 prime numbers between 1 & 1000.
100
1. As long as there are two prime numbers in a set, the only common factor for the set will be 1.
13 prime numbers
3, 9, 27, 81, 243, 729
3, 9, 27, 81, 243, and 729.
3, 9, 27, 81, 243, 729