Răspunsuri

2014-10-08T23:03:26+03:00
1001=7*11*13

abcabc=100000a+10000b+1000c+100a+10b+c=100100a+10010b+1001c

100 100 = 22 * 52 * 7 * 11 * 13
10 010 = 2 * 5 * 7 * 11 * 131001=7*11*13

deci sunt divizibile cu 7.11.13