^-LA PUTEREA A...
624=2^4·13·3
780=2²·5·3·13
(624,780) =2²·3·13=156
360=2³·5·3²
864=2^5·3³
(360,864) =2³·5·3²=8·5·9=360
630=2·3²·5·7
648=2³·3^4
(630,648) =2·3²=18
864=2^5·3^4
1680=2^4·3·5·7
(864,1680) =2^4·3=48
1568=2^5·7²
252=2²·3²·7
(1568,252) =2²·7=28
1176=2³·7
3024=2^4·3³·7
(1176,3024) =2³·7=56