116 998 207 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 2⁷⁸

TF target 2⁷⁶

P-1

B1 =	980000
B2 =	1274732550

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-01-20	curtisc	776312814ED75F27	80530750	1	3

History

Date	User	Type	Result
2023-01-20	curtisc	CERT	PRP Certification CERT proof power = 8 Proof certified good
2023-01-20	curtisc	C-PRP	776312814ED75F27 PRP proof power = 8 PRP: Verified Proof certified good
2022-11-26	Simon Josefsson	NF-PM1	B1=980000, B2=1274732550
2022-08-03	LordJulius	NF	no factor from 2^77 to 2^78
2021-09-18	DanB	NF	no factor from 2^76 to 2^77
2021-05-22	Kriesel	NF	no factor from 2^75 to 2^76
2021-05-22	Kriesel	NF	no factor from 2^74 to 2^75
2015-08-22	ramgeis	NF	no factor from 2^73 to 2^74
2015-08-22	ramgeis	NF	no factor from 2^72 to 2^73
2015-08-22	ramgeis	NF	no factor from 2^71 to 2^72
2015-08-22	ramgeis	NF	no factor from 2^70 to 2^71
2015-06-29	g0b	NF	no factor from 2^69 to 2^70
2015-06-24	workerthread	NF	no factor from 2^68 to 2^69
2015-03-14	Brandon Vincent	NF	no factor from 2^67 to 2^68
2014-12-07	-Anonymous-	NF	no factor from 2^66 to 2^67
2012-07-02	HardyP Germany	NF	no factor from 2^65 to 2^66
2010-10-12	James Hintz	NF	no factor from 2^64 to 2^65
2010-05-15	Richard	NF	no factor from 2^63 to 2^64