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(10^3-1)/9 + 2*10^1 *** VFYPR 1.13F F_max=100000 S_min=100000 h=0 a=0 C=0 J=0 D=0 N=(13*10^3-31)/99 N=131 *** N is prime! Time: 0 sec
(10^5-1)/9 + 2*10^2 run"aprt-cle Test number N=? 11311 Preparatory test Pass ! 11311 is prime. 0:00:00 OK Proved prime with 'Ubasic - APRT-CLE.UB' by Patrick De Geest using a Pentium III 650 MHz chip.
(10^39-1)/9 + 2*10^19 == ID:B280D03651FA0 ============================================= PRIMO 1.2.1 - Primality Certificate ----------------------------------------------------------------- Candidate ----------------------------------------------------------------- N = 111111111111111111131111111111111111111 Decimal size = 39 Binary size = 127 Started 10/26/2002 03:49:18 PM Running time < 1s Candidate certified prime ================================================================= Proved prime with 'Primo 1.2.1' by Patrick De Geest using a Pentium III 650 MHz chip.
(10^195-1)/9 + 2*10^97 == ID:B280D03635DBE ============================================= PRIMO 1.2.1 - Primality Certificate ----------------------------------------------------------------- Candidate ----------------------------------------------------------------- N = 111111111111111111111111111111111111111111111111111111111111\ 111111111111111111111111111111111111131111111111111111111111\ 111111111111111111111111111111111111111111111111111111111111\ 111111111111111 Decimal size = 195 Binary size = 645 Started 10/26/2002 03:47:23 PM Running time 8s Candidate certified prime ================================================================= Proved prime with 'Primo 1.2.1' by Patrick De Geest using a Pentium III 650 MHz chip.
(10^19637-1)/9 + 2*10^9818