Question

: НОД(a,b)=20, НОК(a,b)=420 Найти: a,b.

Answer 1

$20 = 2*2*5 420 = 2*2*3*5*7 2*2*5*3 = 60 2*2*5*7 = 140$

Ответ: a = 60,b = 140