Mersenne prime is \(2^p -1\) where \(p\) is a known prime.

PrimeMersenne ProbabilityNumber of DigitsDiscovery MethodDurationActions
\(2^{2} - 1\)
Definitemersenne1hard work00:01:44Edit
\(2^{3} - 1\)
Definitemersenne1dont know00:00:06Edit
\(2^{5} - 1\)
Definitemersenne2don't know00:00:00Edit
\(2^{7} - 1\)
Definitemersenne3trial00:00:00Edit
\(2^{13} - 1\)
Definitemersenne4trial division00:00:00Edit
\(2^{17} - 1\)
Definitemersenne6trial division00:00:00Edit
\(2^{19} - 1\)
Definitemersenne6trial division00:00:00Edit
\(2^{31} - 1\)
Definitemersenne10Enhanced trial division00:00:00Edit
\(2^{61} - 1\)
Definitemersenne19Lucas sequences00:00:00Edit
\(2^{89} - 1\)
Definitemersenne27Lucas sequences00:00:00Edit
\(2^{107} - 1\)
Definitemersenne33Lucas sequences00:00:00Edit
\(2^{127} - 1\)
Definitemersenne39Lucas sequences00:00:00Edit
\(2^{521} - 1\)
Definitemersenne157L-L / SWAC00:00:00Edit
\(2^{607} - 1\)
Definitemersenne183L-L / SWAC00:00:00Edit
\(2^{1279} - 1\)
Definitemersenne386L-L / SWAC00:00:00Edit
\(2^{2203} - 1\)
Definitemersenne664L-L / SWAC00:00:00Edit
\(2^{2281} - 1\)
Definitemersenne687L-L / SWAC00:00:00Edit
\(2^{3217} - 1\)
Definitemersenne969L-L / BESK00:00:00Edit
\(2^{4253} - 1\)
Definitemersenne1281L-L / IBM 709000:00:00Edit
\(2^{4423} - 1\)
Definitemersenne1332L-L / IBM 709000:00:00Edit
\(2^{9689} - 1\)
Definitemersenne2917L-L / ILLIAC II00:00:00Edit
\(2^{9941} - 1\)
Definitemersenne2993L-L / ILLIAC II00:00:00Edit
\(2^{11213} - 1\)
Definitemersenne3376L-L / ILLIAC II00:00:00Edit
\(2^{19937} - 1\)
Definitemersenne6002L-L / IBM 360/9100:00:00Edit
\(2^{21701} - 1\)
Definitemersenne6533L-L / CDC Cyber 17400:00:00Edit
\(2^{23209} - 1\)
Definitemersenne6987L-L / CDC Cyber 17400:00:00Edit
\(2^{44497} - 1\)
Definitemersenne13395L-L / Cray 100:00:00Edit
\(2^{86243} - 1\)
Definitemersenne25962L-L / Cray 100:00:00Edit
\(2^{110503} - 1\)
Definitemersenne33265L-L / Cray 100:00:00Edit
\(2^{132049} - 1\)
Definitemersenne39751L-L / Cray X-MP00:00:00Edit
\(2^{216091} - 1\)
Definitemersenne65050L-L / Cray X-MP/2400:00:00Edit
\(2^{756839} - 1\)
Definitemersenne227832L-L / Maple on Harwell Lab Cray-200:00:00Edit
\(2^{859433} - 1\)
Definitemersenne258716L-L / Cray C9000:00:00Edit
\(2^{1257787} - 1\)
Definitemersenne378632L-L / Cray T9400:00:00Edit
\(2^{1398269} - 1\)
Definitemersenne420921L-L / Prime95 on 90 MHz Pentium PC00:00:00Edit
\(2^{2976221} - 1\)
Definitemersenne895932L-L / Prime95 on 100 MHz Pentium PC00:00:01Edit
\(2^{3021377} - 1\)
Definitemersenne909526L-L / Prime95 on 200 MHz Pentium PC00:00:01Edit
\(2^{6972593} - 1\)
Definitemersenne2098960L-L / Prime95 on 350 MHz Pentium II IBM Aptiva00:00:04Edit
\(2^{13466917} - 1\)
Definitemersenne4053946 L-L / Prime95 on 800 MHz Athlon Thunderbird00:00:11Edit
\(2^{20996011} - 1\)
Definitemersenne6320430L-L / Prime95 on 2 GHz Dell Dimension00:00:19Edit
\(2^{24036583} - 1\)
Definitemersenne7235733L-L / Prime95 on 2.4 GHz Pentium 4 PC00:00:24Edit
\(2^{25964951} - 1\)
Definitemersenne7816230L-L / Prime95 on 2.4 GHz Pentium 4 PC00:00:26Edit
\(2^{30402457} - 1\)
Definitemersenne9152052L-L / Prime95 on 2 GHz Pentium 4 PC00:00:33Edit
\(2^{32582657} - 1\)
Definitemersenne9808358L-L / Prime95 on 3 GHz Pentium 4 PC00:00:35Edit
\(2^{37156667} - 1\)
Definitemersenne11185272L-L / Prime95 on 2.83 GHz Core 2 Duo PC00:00:42Edit
\(2^{42643801} - 1\)
Definitemersenne12837064L-L / Prime95 on 3 GHz Core 2 PC00:00:50Edit
\(2^{43112609} - 1\)
Definitemersenne12978189L-L / Prime95 on Dell Optiplex 74500:00:51Edit
\(2^{57885161} - 1\)
Definitemersenne17425170 L-L / Prime95 on Intel Core2 Duo E8400 @ 3.00GHz00:03:17Edit
\(2^{74207281} - 1\)
Definitemersenne22338618L-L / Prime95 on Intel i7-4790 @ 3.60GHz00:02:49Edit
\(2^{77232917} - 1\)
Definitemersenne23249425L-L / Prime95 on Intel i5-6600 @ 3.30GHz00:04:14Edit
\(2^{82589933} - 1\)
Definitemersenne24862048L-L / Prime95 on Intel i5-4590T @ 2.0GHz00:05:03Edit
\(2^{136279841} - 1\)
Definitemersenne41024320PRP / Gpuowl on NVIDIA A10000:04:43Edit
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