70,1

This sequence shows that the difference between a composite number and a prime rests on the modification of a single decimal digit of the given composite number

(RSA-768) + 10^70 = prime

Position[PrimeQ[Table[ \

123018668453011775513049495838496272077285356959533479219732245215172640050726\

365751874520219978646938995647494277406384592519255732630345373154826850791702\

6122142913461670429214311602221240479274737794080665351419597459856902143413 \

+ 10^n, {n, 1232}]], True]

Sequence in context: A039542 A024748 A024756 this_sequence A044193 A044574 A043482

Adjacent sequences: A113925 A113926 A113927 this_sequence A113929 A113930 A113931

nonn

Joao Carlos Leandro da Silva (zxawyh66(AT)yahoo.com), Jan 30 2006