Definition:Greatest Common Divisor/Also defined as
Jump to navigation
Jump to search
Greatest Common Divisor: Also defined as
Some sources gloss over the fact that at least one of $a$ and $b$ must be non-zero for $\gcd \set{ a, b }$ to be defined.
Some sources insist that both $a$ and $b$ be non-zero or strictly positive.
Some sources define $\gcd \set {a, b} = 0$ for $a = b = 0$.