105 614 393 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

TF

No factors below 2⁷⁶

TF target 2⁷⁶

P-1

B1 =	583000
B2 =	189926100

Status	Date	User	Residue	Shift
Unverified	2021-01-09	ruben	8F4E1D592D0E29__	43286657

History

Date	User	Type	Result
2023-06-18	Kriesel	NF-PM1	B1=583000, B2=189926100
2021-01-09	ruben	C-LL	8F4E1D592D0E29__
2020-09-08	Architects Cubed	NF	no factor from 2^75 to 2^76
2020-01-19	ruben	NF-PM1	B1=1185000
2015-01-04	Youcef L	NF	no factor from 2^74 to 2^75
2015-01-04	Youcef L	NF	no factor from 2^73 to 2^74
2015-01-04	Youcef L	NF	no factor from 2^72 to 2^73
2015-01-04	Youcef L	NF	no factor from 2^71 to 2^72
2014-10-24	shauge	NF	no factor from 2^70 to 2^71
2014-10-24	shauge	NF	no factor from 2^69 to 2^70
2014-10-24	shauge	NF	no factor from 2^68 to 2^69
2014-10-24	shauge	NF	no factor from 2^67 to 2^68
2013-09-07	SMoffat	NF	no factor from 2^66 to 2^67
2012-05-12	Mr-Plonk	NF	no factor from 2^65 to 2^66
2010-09-01	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-04-26	Richard	NF	no factor from 2^63 to 2^64