Найдите наименьшее общее кратное чисел: 1) 56 и 70; 2) 78

1) 56/2=28; 28/2=14; 14/2=7; 7/7=1; 56 = 2^3 7
70/2=35; 35/5=7; 7/7=1; 70 = 2 5 7
НОК (56;70) = 2^3 5 7 = 280
2) 78/2=39; 39/3=13; 13/13=1; 78 = 2 3 13
792/2=396; 396/2=198; 198/2=99; 99/3=33; 33/3=11; 11/11=1; 792 =2^3 3^2 11
НОК (78;792) = 2^3 3^2 11 13 = 10296
3) 320/2=160; 160/2=80; 80/2=40; 40/2=20; 20/2=10; 10/2 = 5; 5/5=1; 320 = 2^6 5
720/2=360; 360/2=180; 180/2=90; 90/2=45; 45/3=15; 15/3=5; 5/5=1; 720=2^4 3^25
НОК (320;720) =2^6 3^2 5 = 2880
4) 252/2=126; 126/2=63; 63/3=21; 21/3=7; 7/7=1; 252 = 2^2 3^2 7
840/2=420; 420/2=210; 210/2=105; 105/3=35; 35/5=7; 7/7=1; 840 = 2^3 3 5 7
НОК (252;840) = 2^3 3^2 5 7 = 2520