105 953 039 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	554000
B2 =	173909190

Status	Date	User	Residue	Shift
Unverified	2020-05-25	Egor K	0966A8DF0C42BB__	28748540

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-08-18	mewturn	5CFF54C20E663AE3	0	1	3

History

Date	User	Type	Result
2024-08-20	Anakha_Unknown	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-08-18	mewturn	C-PRP	5CFF54C20E663AE3 PRP proof power = 8 PRP: Verified Proof certified good
2023-02-10	Kriesel	NF-PM1	B1=554000, B2=173909190
2020-05-25	Egor K	C-LL	0966A8DF0C42BB__
2020-04-05	Egor K	NF-PM1	B1=965000
2020-04-02	Chuck	NF	no factor from 2^76 to 2^77
2020-03-31	Chuck	NF	no factor from 2^75 to 2^76
2020-02-22	LaurV	NF	no factor from 2^74 to 2^75
2020-02-17	srow7	NF	no factor from 2^73 to 2^74
2020-02-17	srow7	NF	no factor from 2^72 to 2^73
2015-01-14	wombatman	NF	no factor from 2^71 to 2^72
2014-10-21	SMoffat	NF	no factor from 2^70 to 2^71
2014-10-17	SMoffat	NF	no factor from 2^69 to 2^70
2014-06-14	SMoffat	NF	no factor from 2^68 to 2^69
2013-09-13	SMoffat	NF	no factor from 2^67 to 2^68
2013-09-07	SMoffat	NF	no factor from 2^66 to 2^67
2012-05-14	sasaki3	NF	no factor from 2^65 to 2^66
2010-09-03	ZIM30	NF	no factor from 2^64 to 2^65
2010-04-21	dennis	NF	no factor from 2^63 to 2^64