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||°°°°°°°°6°°6464|4 -4 [ 396 ]  ||°°°°°°°°6°°6464|°  224099976889

||°°°°°°°°6°°7°7352 -4 [ 396 ] ||°°°°°°°°6°°7°7348  224099976923

||°°°°°°°°6°°7|6586 -4 [ 396 ] ||°°°°°°°°6°°7|6582  999999999989


c24 999999999920000000001599 = 999999999959*999999999961 ( 2*p12 gemelli )


puri casi ^^

tested	status	k	digits	number
-	U	20001	20002	10^20001*5+9 = 5000000000...09
-	U	20003	20004	10^20003*5+9 = 5000000000...09
-	U	20008	20009	10^20008*5+9 = 5000000000...09
-	U	20013	20014	10^20013*5+9 = 5000000000...09
-	U	20021	20022	10^20021*5+9 = 5000000000...09
-	U	20025	20026	10^20025*5+9 = 5000000000...09
-	U	20027	20028	10^20027*5+9 = 5000000000...09
-	U	20030	20031	10^20030*5+9 = 5000000000...09
-	U	20045	20046	10^20045*5+9 = 5000000000...09
-	U	20049	20050	10^20049*5+9 = 5000000000...09
-	U	20053	20054	10^20053*5+9 = 5000000000...09
-	U	20054	20055	10^20054*5+9 = 5000000000...09
-	U	20057	20058	10^20057*5+9 = 5000000000...09
-	U	20060	20061	10^20060*5+9 = 5000000000...09
-	U	20061	20062	10^20061*5+9 = 5000000000...09
-	U	20062	20063	10^20062*5+9 = 5000000000...09
-	U	20065	20066	10^20065*5+9 = 5000000000...09
-	U	20067	20068	10^20067*5+9 = 5000000000...09
-	U	20068	20069	10^20068*5+9 = 5000000000...09
-	U	20075	20076	10^20075*5+9 = 5000000000...09

p2734

p2474 5*10^2473+9

p1200 5*10^1199+9

p758 5*10^757+9

p284 10^283*5+9

p87 10^86*5+9   p30 10^29*5+9   p21 10^20*5+9

p9 500000009   p6 500009   p4 5009   p3 509   p2 59

cmd & free & c