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
49785647Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 273
P-1
B1 = 540000
B2 = 7695000
LL
StatusDateUserResidueShift
Verified2010-09-08Stephan Grupp04BCCAA634D7816539973535
Verified2018-10-04dh104BCCAA634D7816541047506
History
DateUserTypeResult
2024-08-18Jarod McClintockNF
no factor from 2^69 to 2^70
2018-10-04dh1C-LL
04BCCAA634D78165
2018-01-24monstNF
no factor from 2^72 to 2^73
2015-12-27AirSquirrelsNF
no factor from 2^71 to 2^72
2015-12-27AirSquirrelsNF
no factor from 2^70 to 2^71
2015-06-10Architects CubedNF
no factor from 2^69 to 2^70
2010-09-08Stephan GruppC-LL
04BCCAA634D78165
2010-06-27Stephan GruppNF-PM1
B1=540000, B2=7695000