Решение:

А) 32 и 48

• 32 = 2⁵
• 48 = 2⁴ × 3
• НОК(32, 48) = 2⁵ × 3 = 32 × 3 = 96

Б) 18 и 27

• 18 = 2 × 3²
• 27 = 3³
• НОК(18, 27) = 2 × 3³ = 2 × 27 = 54

В) 100 и 189

• 100 = 2² × 5²
• 189 = 3³ × 7
• НОК(100, 189) = 2² × 3³ × 5² × 7 = 4 × 27 × 25 × 7 = 18900

Г) 13 и 65

• 13 = 13
• 65 = 5 × 13
• НОК(13, 65) = 5 × 13 = 65