Răspuns :
1890=2*5*189=2*5*3²*21=2*5*3³*7
2268=2²*567=2²*3^4*7
(1890,2268)=2*3³*7=378
[1890,2268]=2²*3^4*5*7=11340
VERIFICARE
378*11340 comparat 1890*2268
4286520= 4286520
adevarat , bine rezolvat
1890=2*5*189=2*5*3²*21=2*5*3³*7
2268=2²*567=2²*3^4*7
(1890,2268)=2*3³*7=378
[1890,2268]=2²*3^4*5*7=11340
VERIFICARE
378*11340 comparat 1890*2268
4286520= 4286520
adevarat , bine rezolvat