101 788 387 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 2⁷⁶

TF target 2⁷⁶

P-1

B1 =	850000
B2 =	17850000

Status	Date	User	Residue	Shift	Type	Base
Verified	2020-12-29	Ben Delo	432E3FECF812FD74	59497098	1	3

History

Date	User	Type	Result
2020-12-30	FineMojon	CERT	PRP Certification CERT proof power = 8 Proof certified good
2020-12-29	Ben Delo	C-PRP	432E3FECF812FD74 PRP proof power = 8 PRP: Verified Proof certified good
2020-12-27	Ben Delo	NF-PM1	B1=850000, B2=17850000, E=12
2020-10-10	TheJudger	NF	no factor from 2^75 to 2^76
2020-10-10	TheJudger	NF	no factor from 2^74 to 2^75
2020-02-27	Hans Loeblich	NF	no factor from 2^73 to 2^74
2020-02-20	el grocco	NF	no factor from 2^72 to 2^73
2014-12-04	shauge	NF	no factor from 2^71 to 2^72
2014-10-17	shauge	NF	no factor from 2^70 to 2^71
2014-10-17	shauge	NF	no factor from 2^69 to 2^70
2014-08-03	SMoffat	NF	no factor from 2^68 to 2^69
2014-03-27	-Anonymous-	NF	no factor from 2^67 to 2^68
2013-08-19	america64	NF	no factor from 2^66 to 2^67
2012-04-18	Mr-Plonk	NF	no factor from 2^65 to 2^66
2010-08-15	Architects Cubed	NF	no factor from 2^64 to 2^65
2010-03-23	1997rj7	NF	no factor from 2^63 to 2^64