105 025 223 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime

TF

No factors below 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	890000
B2 =	21805000

Status	Date	User	Residue	Shift	Type	Base
Unverified (Reliable)	2021-02-25	irreally9002	47FD26E904D27E__	264767	1	3

History

Date	User	Type	Result
2021-02-25	irreally9002	C-PRP	47FD26E904D27E__ PRP: Unverified (Reliable) PRP without proof (not generated)
2020-11-26	penlu	NF-PM1	B1=890000, B2=21805000, e=6
2020-11-04	RichD0	NF	no factor from 2^76 to 2^77
2020-11-03	George Woltman	NF	no factor from 2^75 to 2^76
2020-11-01	ktony	NF	no factor from 2^74 to 2^75
2020-04-01	SRBase	NF	no factor from 2^73 to 2^74
2020-03-30	SRBase	NF	no factor from 2^72 to 2^73
2015-01-11	PascalBieri	NF	no factor from 2^71 to 2^72
2014-10-17	shauge	NF	no factor from 2^70 to 2^71
2014-10-15	g0b	NF	no factor from 2^69 to 2^70
2014-06-13	TDH-DXL	NF	no factor from 2^68 to 2^69
2013-09-13	SMoffat	NF	no factor from 2^67 to 2^68
2013-09-09	willmore	NF	no factor from 2^66 to 2^67
2012-05-09	OS1	NF	no factor from 2^65 to 2^66
2010-09-04	Richard	NF	no factor from 2^64 to 2^65
2010-04-19	oodaira	NF	no factor from 2^63 to 2^64