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
42418307TF
No factors below 273
TF target 272
P-1
B1 = 710000
B2 = 710000
LL
StatusDateUserResidueShift
Verified2009-06-16-Anonymous-39CF38D5E18A4C0919192906
Verified2016-03-06basey39CF38D5E18A4C0937023306
History
DateUserTypeResult
2018-08-12-Anonymous-NF
no factor from 2^72 to 2^73
2016-03-06baseyC-LL
39CF38D5E18A4C09
2015-08-28-Anonymous-NF
no factor from 2^71 to 2^72
2015-03-31Mark RoseNF
no factor from 2^70 to 2^71
2015-02-15krackerNF
no factor from 2^69 to 2^70
2012-11-15Carsten KossendeyNF
no factor from 2^68 to 2^69
2009-06-16Ralph SmithC-LL
39CF38D5E18A4C09
2009-03-17Ralph SmithNF-PM1
B1=710000