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Words near each other
・ Chen Zhongyun
・ Chen Zhu
・ Chen Zhunmin
・ Chen Zhuo
・ Chen Zi
・ Chen Zi'ang
・ Chen Zihan
・ Chen Zihe
・ Chen Zijie
・ Chen Ziyuan
・ Chen Zizhuang
・ Chen Zude
・ Chen Zunrong
・ Chen Zuo
・ Chen Zuyi
Chen's theorem
・ Chen-1 bottom mine
・ Chen-2 bottom mine
・ Chen-3 bottom mine
・ Chen-4 bottom mine
・ Chen-5 bottom mine
・ Chen-Ning Yang
・ Chen-style t'ai chi ch'uan
・ Chen-Yuan Lee
・ Chena
・ Chena (woreda)
・ Chena Achena (1983 film)
・ Chena Achena (1999 film)
・ Chena Gilstrap
・ Chena Hot Springs, Alaska


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Chen's theorem : ウィキペディア英語版
Chen's theorem

In number theory, Chen's theorem states that every sufficiently large even number can be written as the sum of either two primes, or a prime and a semiprime (the product of two primes).
== History ==
The theorem was first stated by Chinese mathematician Chen Jingrun in 1966, with further details of the proof in 1973. His original proof was much simplified by P. M. Ross. Chen's theorem is a giant step towards the Goldbach conjecture, and a remarkable result of the sieve methods.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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