Difference between revisions of "Common divisor"
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==Problems== | ==Problems== | ||
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===Introductory=== | ===Introductory=== | ||
| − | + | *Find the greatest common divisor of 12, 99, and 111. | |
| − | Find the greatest common divisor of 12, 99, and 111. | ||
===Intermediate=== | ===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 == | |
| + | *[[Euclidean algorithm]] | ||
{{stub}} | {{stub}} | ||
Revision as of 13:56, 23 September 2007
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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