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So, what he actually ended up proving is that there are infinitely many pairs of numbers two apart, where each number has at most nine prime factors.
- Brun's techniques were improved and improved and improved, and we went from nine prime factors to seven prime factors to three prime factors.
Until in 1973, a Chinese mathematician Chen Jingrun comes along and proved that there are infinitely many prime P,
Listen to native speakers pronounce “Brun” in real conversational contexts with synchronized timestamps and subtitles.
Same as Brun, a brook. [Scot.].