alleryThe greatest common divisor of two numbers is the greatest positive integer that does what?
ADivides both numbers
BIs a multiple of both
CIs smaller than both
DIs also a prime number
Answer & Solution
Correct answer: A. Divides both numbers
1. Find the divisors common to both numbers.
2. The greatest of them is the GCD.
3. A common multiple is related to the LCM, not the GCD.
_Source: Wikipedia, Greatest common divisor, section Definition_
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