Phrase guide

Sophie Germain 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

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  • General-American, Received-Pronunciation: /ˌsɔfi ˌʒɛɹmɛ̃ ˈpɹaɪm/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -aɪm

1

noun

Meaning 1

A prime number p where 2p+1 is also prime (the latter is called a safe prime).

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, number-theory, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: safe prime

History

Etymology

From Sophie Germain + prime (noun), named after the French mathematician Sophie Germain (1776–1831), who used them in her investigations of Fermat’s Last Theorem.

Across languages

Translations

32 source translations are retained for this English entry.

  • Arabic: عدد صوفي جيرمين الأولي — prime number p where 2p+1 is also prime
  • Basque: Sophie Germainen zenbaki lehen — prime number p where 2p+1 is also prime
  • Bulgarian: про́сто число́ на Софи́ Жерме́н (prósto čisló na Sofí Žermén) — prime number p where 2p+1 is also prime
  • Catalan: nombre primer de Sophie Germain — prime number p where 2p+1 is also prime
  • Chinese Cantonese: 謝爾曼質數 /谢尔曼质数 (ze6 ji5 maan6 zat1 sou3) — prime number p where 2p+1 is also prime
  • Chinese Mandarin: 索菲·熱爾曼質數 /索菲·热尔曼质数 (Suǒfēi Rèěrmàn zhíshù, Suǒfēi Rèěrmàn zhìshù) — prime number p where 2p+1 is also prime
  • Czech: prvočíslo Sophie Germainové — prime number p where 2p+1 is also prime
  • Danish: Sophie Germain-primtal — prime number p where 2p+1 is also prime
  • Dutch: Sophie Germainpriemgetal — prime number p where 2p+1 is also prime
  • Esperanto: primo de Sophie Germain — prime number p where 2p+1 is also prime
  • Finnish: Sophie Germainin alkuluku — prime number p where 2p+1 is also prime
  • French: nombre premier de Sophie Germain — prime number p where 2p+1 is also prime
  • Galician: número primo de Sophie Germain — prime number p where 2p+1 is also prime
  • German: Sophie-Germain-Primzahl — prime number p where 2p+1 is also prime
  • Greek: Σόφι Ζερμέν Πράιμ (Sófi Zermén Práim) — prime number p where 2p+1 is also prime
  • Hebrew: ראשוני ז׳רמן — prime number p where 2p+1 is also prime
  • Hungarian: Sophie Germain-prím — prime number p where 2p+1 is also prime
  • Indonesian: bilangan prima Sophie Germain — prime number p where 2p+1 is also prime
  • Italian: numero primo di Sophie Germain — prime number p where 2p+1 is also prime
  • Japanese: ソフィー・ジェルマン素数 (Sofī Jeruman sosū) — prime number p where 2p+1 is also prime
  • Kazakh: Софи Жермен сандары (Sofi Jermen sandary) — prime number p where 2p+1 is also prime
  • Korean: 소피 제르맹 소수 (sopi jereumaeng sosu) — prime number p where 2p+1 is also prime
  • Lombard: numer prim de Sophie Germain — prime number p where 2p+1 is also prime
  • Norwegian Bokmål: Sophie Germain-primtall — prime number p where 2p+1 is also prime
  • Polish: liczby pierwsze Germain — prime number p where 2p+1 is also prime
  • Portuguese: número primo de Sophie Germain — prime number p where 2p+1 is also prime
  • Romanian: prim asigurat — prime number p where 2p+1 is also prime
  • Russian: простое число Софи Жермен (prostoje čislo Sofi Žermen) — prime number p where 2p+1 is also prime
  • Spanish: número primo de Sophie Germain — prime number p where 2p+1 is also prime
  • Swedish: Sophie Germainprimtal — prime number p where 2p+1 is also prime
  • Tamil: சோஃவி ஜெர்மேன் பகாத்தனி (cōḥvi jermēṉ pakāttaṉi) — prime number p where 2p+1 is also prime
  • Vietnamese: số nguyên tố Sophie Germain — prime number p where 2p+1 is also prime