Common divisor
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A common divisor of two or more integers is a divisor of all those integers. For any set of positive integers, there is a greatest common divisor.
Problems
Introductory
- Find the greatest common divisor of 12, 99, and 111.
Intermediate
- Prove that the greatest common divisor of two numbers times the least common multiple of those two numbers is equal to the product of the two numbers.
See also
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