If you're asking about prime factorizations, the process is the same, no matter the size of the number. Use a factor tree. Larger numbers are likely to have more branches.
3,9,27,81,243,729
No. As a general rule, factors cannot be larger than the numbers they are compared to.
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.
3, 9, 27, 81, 243, 729
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