Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:
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MnStatusDetails
15247637No factors below 271
P-1
B1=185 000
B2=3 838 750
LL
StatusDateUserResidueShift
Bad2003-02-27Evan WhettonD0FA24D1054271F810080258
Bad2003-04-03Evan WhettonA3C29190625395EE435260
Verified2003-10-31Yura Socolov04F1C9F7CFD595DE340919
Verified2005-10-18Rommel C. Zulueta04F1C9F7CFD595DE10150254
History
DateUserTypeResult
2021-09-07SRBaseNFno factor from 2^70 to 2^71
2021-06-22lycornNFno factor from 2^69 to 2^70
2017-12-27ramgeisNFno factor from 2^68 to 2^69
2017-12-27ramgeisNFno factor from 2^67 to 2^68
2014-05-28NesowaNFno factor from 2^66 to 2^67
2013-09-16David CampeauNFno factor from 2^65 to 2^66
2005-10-18delta_tC-LL04F1C9F7CFD595DE
2003-10-31-Anonymous-C-LL04F1C9F7CFD595DE
2003-04-03-Anonymous-C-LLA3C29190625395EE
2003-02-27-Anonymous-C-LLD0FA24D1054271F8
2002-03-31-Anonymous-NF-PM1B1=185000, B2=3838750
2001-02-11-Anonymous-NFno factor to 2^65
2001-01-08Net_ForceNFno factor to 2^58
2000-12-31Net_ForceNFno factor to 2^57