prime number

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This is the largest prime number that has been discovered (with the aid of a large computer) to date.
這是迄今爲止發現的最大素數(借助於一台大型計算機)。
Professor Sujimoto’s fame had increased after he had discovered what was, at the time, the largest prime number ever found.
杉本教授在發現了到那時爲止所發現的最大素數之後名望已增大了。
A prime number is an integer greater than or equal to 2 that has exactly two distinct natural number divisors, 1 and itself.
素數是指大於等於2且衹有兩個不同約數的整數：1和它自己。

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Their first day in London was one of introductions, bilateral meetings, a reception at the royal palace with Queen Elizabeth and dinner at Number 10 Downing Street, the official residence of British prime ministers.
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Back in 2002, Agrawal and two of his graduate students attained hero status by solving a math problem that folks had been working on since the ancient Greeks: How to tell for sure if a number is prime relatively quickly, without having to check all possible factors of the number.
FORBES: Now, It's The Slow Roasting Of An HP Mathematician

a number that cannot be divided by any other number except itself and the number 1

In mathematics, a prime number is a whole number greater than 1 that cannot be divided exactly by any whole number except itself and the number 1, such as 17.

素數
Generally, this problem is reduced to quadratic residue problem of modulo a big prime number. But this reduction is not applicable to Optimal Extension Fields (OEF) .
一般而言，該問題歸結爲模大素數的二次賸餘問題，但這種歸結不能用於最優擴域OEF。
質數