Найдите НОК для чисел 380 и 315 18 и 81,415 и 250,320 и 270, 248 и 640.

380 и 315380 = 2 * 2 * 5 * 19 = 2² * 5 * 19315 = 3 * 3 * 5 * 7 = 3² * 5 * 7НОК = 2² * 3² * 5 * 7 * 19 = 23 94018 и 8118 = 2 * 3 * 3 = 2 * 3²81 = 3 * 3 * 3 * 3 = 3⁴НОК = 2 * 3⁴ = 162415 и 250415 = 5 * 83250 = 2 * 5 * 5 * 5 = 2 * 5³НОК = 2 * 5³ * 83 = 20 750320 и 270320 = 2 * 2 * 2 * 2 * 2 * 2 * 5 = 2⁶ * 5270 = 2 * 3 * 3 * 3 * 5 = 2 * 3³ * 5НОК = 2⁶ * 3³ * 5 = 8 640248 и 640248 = 2 * 2 * 2 * 31 = 2³ * 31640 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 5 = 2⁷ * 5НОК = 2⁷ * 5 * 31 = 19 840