sophie germain prime
/ˌsɔfi ˌʒɛɹmɛ̃ ˈpɹaɪm/
Word Rarity
Rare
Frequency: Zipf frequency 3.16 in modern English
30
Scrabble Score
18
Letters
3
Syllables
11
Unique Chars
Meaning
noun
A prime number p where 2p+1 is also prime (the latter is called a safe prime).
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.
Regional Pronunciation
- American English: /ˌsɔfi ˌʒɛɹmɛ̃ ˈpɹaɪm/
- British English: /ˌsɔfi ˌʒɛɹmɛ̃ ˈpɹaɪm/
Inflected Forms
Phrases
Sophie Germain's theorem