103 219 241 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	2021-03-24	Ben Delo	4079A716916B533B	33866062	1	3

History

Date	User	Type	Result
2021-03-24	Architects Cubed	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-03-24	Ben Delo	C-PRP	4079A716916B533B PRP proof power = 8 PRP: Verified Proof certified good
2021-03-22	Kriesel	NF-PM1	B1=1000000, B2=30000000
2020-12-03	DRobinsonPE	NF	no factor from 2^75 to 2^76
2020-12-02	RichD0	NF	no factor from 2^74 to 2^75
2014-05-14	La Güira	NF	no factor from 2^73 to 2^74
2014-05-14	La Güira	NF	no factor from 2^72 to 2^73
2014-05-14	La Güira	NF	no factor from 2^71 to 2^72
2014-05-14	La Güira	NF	no factor from 2^70 to 2^71
2014-05-14	La Güira	NF	no factor from 2^69 to 2^70
2014-05-14	La Güira	NF	no factor from 2^68 to 2^69
2014-05-05	PascalBieri	NF	no factor from 2^67 to 2^68
2013-09-01	-Anonymous-	NF	no factor from 2^66 to 2^67
2012-05-10	Richard	NF	no factor from 2^65 to 2^66
2010-08-24	sasaki3	NF	no factor from 2^64 to 2^65
2010-04-16	ramgeis	NF	no factor from 2^63 to 2^64