In number theory, a Gaussian integer is a complex number whose real and imaginary parts are both integers. The Gaussian integers, with ordinary addition and multiplication of complex numbers, form an integral domain, usually written as Z [ i ] {\displaystyle \mathbf {Z} [i]} or Z [ i ] .
In number theory, a Gaussian integer is a complex number whose real and imaginary parts are both integers. The Gaussian integers, with ordinary addition and multiplication of complex numbers, form an integral domain, usually written as Z [ i ] {\displaystyle \mathbf {Z} [i]} or Z [ i ] .
Source: Wikipedia "Gaussian integer" · CC BY-SA 4.0
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