72= 2³×3² 44 = 2²×11 16 = 2⁴ 27= 3³
54= 2×3³ 121= 11² 72 = 2³ * 3² 45= 3² * 5
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(72;54)=2×3²=18 (44;121)=11 (16;72) = 8 (27;45)= 9
[72;54]=2³×3³=216 [44;121] =484 [16;72] = 144 [27;45]= 135
48 = 2⁴ *3 240= 2² * 3 * 5
50 = 2 * 5² 144= 2⁴ * 3²
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(48;50)=2 (240;144)= 12
[48;50]=400 [240;144]= 720
