GaussianIntegers
 Usage
• GaussianIntegers是FactorInteger, PrimeQ, Factor及其相关函数的可选项，用来指定是否对整数进行因数分解.
Notes
• GaussianIntegers -> False指出对普通整环  进行因数分解. • GaussianIntegers -> True指出对  伴随整环  进行因数分解. • 例如: FactorInteger[13, GaussianIntegers -> True]  . • Gaussian素数被使用在GaussianIntegers -> True选取为同时具有正实部和正虚部的情形. • GaussianIntegers -> True时由FactorInteger给出的列表中第一个入口可以是－1或－I.
 Further Examples
Although  is prime over the integers, it factors nontrivially over the complex integers and so is not a prime in that ring.
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See the Further Examples for Factor, DivisorSigma.
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