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
48429257TF
No factors below 276
TF target 272
P-1
B1 = 1500000
B2 = 45000000
LL
StatusDateUserResidueShift
Verified2011-11-06rick208233548CA5FEF222932217
Verified2018-04-19Andrew G208233548CA5FEF220415092
History
DateUserTypeResult
2021-06-15-Anonymous-NF
no factor from 2^75 to 2^76
2021-06-15-Anonymous-NF
no factor from 2^74 to 2^75
2021-05-31Sid & AndyNF-PM1
B1=1500000, B2=45000000
2020-01-17-Anonymous-NF
no factor from 2^73 to 2^74
2018-04-19Andrew GC-LL
208233548CA5FEF2
2018-03-04Kevin JagetNF
no factor from 2^72 to 2^73
2015-11-20-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-26Sid & AndyNF
no factor from 2^70 to 2^71
2015-08-14Gordon SpenceNF
no factor from 2^69 to 2^70
2011-11-06rickC-LL
208233548CA5FEF2
2011-10-12rickNF-PM1
B1=565000, B2=14548750, E=6