128 776 229 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁷

TF target 2⁷⁷

P-1

B1 =	982000
B2 =	459833850

Status		Date	User	Residue	Shift	Type	Base
composite	Verified	2024-04-29	codereptile	DFF44266E1C842DD	80204362	1	3

History

Date	User	Type	Result
2024-04-29	MarktheDiplomat	CERT	PRP Certification CERT proof power = 10 Proof certified good
2024-04-29	codereptile	C-PRP	DFF44266E1C842DD PRP proof power = 10 PRP: Verified Proof certified good
2024-03-20	codereptile	NF-PM1	B1=982000, B2=459833850
2023-01-31	TravisJank	NF	no factor from 2^76 to 2^77
2023-01-31	TravisJank	NF	no factor from 2^75 to 2^76
2022-12-23	SRBase	NF	no factor from 2^74 to 2^75
2019-06-07	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-06-07	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2016-03-04	David Hruska	NF	no factor from 2^71 to 2^72
2015-12-17	ANONYMOUS	NF	no factor from 2^70 to 2^71
2015-12-13	La Güira	NF	no factor from 2^69 to 2^70
2015-12-13	La Güira	NF	no factor from 2^68 to 2^69
2015-11-16	La Güira	NF	no factor from 2^67 to 2^68
2015-01-12	mordecai	NF	no factor from 2^66 to 2^67
2012-10-01	soldcake	NF	no factor from 2^65 to 2^66
2010-11-08	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-30	Torchwood Institute	NF	no factor from 2^63 to 2^64