Parallel Strong's Berean Study BibleSo Lamech lived a total of 777 years, and then he died. Young's Literal Translation And all the days of Lamech are seven hundred and seventy and seven years, and he dieth. King James Bible And all the days of Lamech were seven hundred seventy and seven years: and he died. Hebrew So Lamechלֶ֔מֶךְ (le·meḵ) Noun - proper - masculine singular Strong's 3929: Lamech -- a descendant of Cain, also a descendant of Seth lived וַֽיְהִי֙ (way·hî) Conjunctive waw | Verb - Qal - Consecutive imperfect - third person masculine singular Strong's 1961: To fall out, come to pass, become, be a total of כָּל־ (kāl-) Noun - masculine singular construct Strong's 3605: The whole, all, any, every 777 שֶׁ֤בַע (še·ḇa‘) Number - feminine singular Strong's 7651: Seven, seven times, a week, an indefinite number years, שָׁנָ֑ה (šā·nāh) Noun - feminine singular Strong's 8141: A year and then he died. וַיָּמֹֽת׃ (way·yā·mōṯ) Conjunctive waw | Verb - Qal - Consecutive imperfect - third person masculine singular Strong's 4191: To die, to kill |