101 121 619 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 =	1000000
B2 =	30000000

Status	Date	User	Residue	Shift	Type	Base
Verified	2020-11-26	Runtime Error	2543963B038AB1B5	71002445	1	3

History

Date	User	Type	Result
2020-11-26	Ben Delo	CERT	PRP Certification CERT proof power = 9 Proof certified good
2020-11-26	Runtime Error	C-PRP	2543963B038AB1B5 PRP proof power = 9 PRP: Verified Proof certified good
2020-11-26	Runtime Error	NF-PM1	B1=1000000, B2=30000000, E=12
2020-09-16	penlu	NF	no factor from 2^75 to 2^76
2020-09-16	penlu	NF	no factor from 2^74 to 2^75
2020-04-01	SRBase	NF	no factor from 2^73 to 2^74
2020-03-16	el grocco	NF	no factor from 2^72 to 2^73
2013-09-09	Oliver Kruse	NF	no factor from 2^71 to 2^72
2013-09-09	Oliver Kruse	NF	no factor from 2^70 to 2^71
2013-09-09	Oliver Kruse	NF	no factor from 2^69 to 2^70
2013-09-09	Oliver Kruse	NF	no factor from 2^68 to 2^69
2013-09-09	Oliver Kruse	NF	no factor from 2^67 to 2^68
2013-08-26	processinfo	NF	no factor from 2^66 to 2^67
2013-08-26	-Anonymous-	NF	no factor from 2^66 to 2^67
2012-04-13	Torchwood Institute	NF	no factor from 2^65 to 2^66
2010-08-12	Mr-Plonk	NF	no factor from 2^64 to 2^65
2010-03-19	1997rj7	NF	no factor from 2^63 to 2^64