101 247 079 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 =	750000
B2 =	25000000

Status	Date	User	Residue	Shift	Type	Base
Verified	2020-11-26	Ben Delo	8D37778B63736529	35064742	1	3

History

Date	User	Type	Result
2020-11-26	Kevin Jaget	CERT	PRP Certification CERT proof power = 8 Proof certified good
2020-11-26	Ben Delo	C-PRP	8D37778B63736529 PRP proof power = 8 PRP: Verified Proof certified good
2020-11-24	ky0uraku	NF-PM1	B1=750000, B2=25000000
2020-09-29	el grocco	NF	no factor from 2^75 to 2^76
2020-09-29	Richard Thomas	NF	no factor from 2^74 to 2^75
2020-03-31	SRBase	NF	no factor from 2^73 to 2^74
2020-03-21	el grocco	NF	no factor from 2^72 to 2^73
2015-01-03	SMoffat	NF	no factor from 2^71 to 2^72
2014-10-11	SMoffat	NF	no factor from 2^70 to 2^71
2014-10-08	SMoffat	NF	no factor from 2^69 to 2^70
2014-07-31	amchamizo	NF	no factor from 2^68 to 2^69
2014-07-15	g0b	NF	no factor from 2^67 to 2^68
2014-07-03	Smok_bmv	NF	no factor from 2^66 to 2^67
2012-04-16	ALS	NF	no factor from 2^65 to 2^66
2010-08-12	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-04-07	1997rj7	NF	no factor from 2^63 to 2^64