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:










MnStatusDetails
138724253Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 844000
B2 = 99978480
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-09-15Chun sung soo6B453C024AB419A31361536513
History
DateUserTypeResult
2025-09-15RareSaturnCERT
PRP Certification
CERT proof power = 10
Proof certified good
2025-09-15Chun sung sooC-PRP
6B453C024AB419A3
PRP proof power = 10
PRP: Verified
Proof certified good
2024-09-24Luiz SaggioroNF-PM1
B1=844000, B2=99978480
2024-08-02RichardNF
no factor from 2^76 to 2^77
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2023-01-15SRBaseNF
no factor from 2^74 to 2^75
2021-08-03SRBaseNF
no factor from 2^73 to 2^74
2020-10-23SRBaseNF
no factor from 2^72 to 2^73
2017-02-19Aare VesiNF
no factor from 2^71 to 2^72
2017-02-17EPFNF
no factor from 2^70 to 2^71
2017-02-06proxy2222NF
no factor from 2^69 to 2^70
2017-02-06proxy2222NF
no factor from 2^68 to 2^69
2016-03-02dbaughNF
no factor from 2^67 to 2^68
2015-01-31el groccoNF
no factor from 2^66 to 2^67
2012-11-19nextPrimeNF
no factor from 2^65 to 2^66
2010-12-04sasaki3NF
no factor from 2^64 to 2^65
2010-06-12Charles A. MorrisNF
no factor from 2^63 to 2^64