1558:a=b rest 58
ab=1558-58=1500
526:a=c rest 26
ac=526-26=500
1043:a=d rest 43
ad=1043-43=1000
1500=2²×3×5³
500=2²×5³
1000=2³×5³
cmmdc(1500;500;1000)=2²×5³=4×125=500
a=500
1558:500=3 rest 58
526:500=1 rest 26
1043:500=2 rest 43
=> cel mai mare nr = 500
