Răspuns :
19.191.919=19*73*101*137
27.272.727=3^3 * 73*101*137
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c.m.m.d.c.(19191919;27272727)=73*101*137=1.010.101
27.272.727=3^3 * 73*101*137
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c.m.m.d.c.(19191919;27272727)=73*101*137=1.010.101