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2014-11-04T22:36:48+02:00
123=3X41
57=3X19
[123,57]=3X41X19=2337
169=13²
234=2X3²X13
[169,234]=2X3²X13²=3042
27=3³
45=5X3²
[27,45]=3³X5=135
121=11²
176=11X2⁴
[121,176]=2⁴X11²=1936
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