80th chen prime is 631

80th chen prime is 631.

631 is 80th chen prime.

Learn more about Chen primes.

Neighbours#

503₁₀	509₁₀	521₇	541₁₀	557₁₀
563₁₃	569₉	571₈	577₁₂	587₉
599₁₁	617₁₀	631₇	641₁₅	647₁₆
653₁₄	659₉	677₇	683₁₁	701₇
719₉	743₉	751₈	761₁₀	769₁₄

Compare with#

503₁₀	509₁₀	521₇	541₁₀	557₁₀
563₁₃	569₉	571₈	577₁₂	587₉
599₁₁	617₁₀	631₇	641₁₅	647₁₆
653₁₄	659₉	677₇	683₁₁	701₇
719₉	743₉	751₈	761₁₀	769₁₄

Learn more about Chen primes
Check first 100 chen primes
Check chen primes up to 1000
Check all chen primes

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