擬似 ぎじ乱数 らんすうではありませんでした
gijiransūdewārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 擬似乱数

1. Was not a pseudorandom number.; Was not a pseudo-random number.

Past/Perfective
Negative
Polite
Formal Register