Phrase guide

Chen prime

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

Any prime number p such that p+2 is either a semiprime or another prime.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, number-theory, sciences

Examples

  • 2013, Laura Hemphill, Buying In, Haughton Mifflin Harcourt (New Harvest), page 278, She tried counting Chen primes. 2, 3, 5... 7, 11... 13... 17... She couldn't concentrate.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Named after Chinese mathematician Chen Jingrun, who proved in 1966 that there are infinitely many such numbers.