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The smallest positive factor of any positive integer is the number 1. If negative factors are allowed, the smallest factor is the negative of the absolute value of any integer.
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To find a common factor, you need another number to have common (shared) factor with. However, with any set of numbers, the Least Common FACTOR (the smallest (positive) whole number which divides into each of the numbers without any remainder) will always be 1.
All the smallest factors of a number must be its smallest factor, which for any number is 1, so: loop loop loop print "Enter an integer number: ": input n until num(n) do print "Please enter a number" repeat until n = int(n) do print "Please enter an integer" repeat print "Smallest factor of ":n:" is 1" repeat
The factors of 2 are 1 and 2. The factors of 3 are 1 and 3. The only common factor is 1. Therefore, the least (smallest) common factor is 1. If you mean LCM then it would be 6