87 194 473 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): unconfirmed PRP test says not-prime

TF

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	705000
B2 =	13571250

Status	Date	User	Residue	Shift	Type	Base
Unverified	2018-10-23	ky0uraku	9042A8C610AEC7__	84638021	1	3

History

Date	User	Type	Result
2018-10-23	ky0uraku	C-PRP	9042A8C610AEC7__ PRP without proof (not generated)
2018-06-02	James Heinrich	NF-PM1	B1=705000, B2=13571250, E=6
2018-05-19	Strolling Jellyfish	NF	no factor from 2^75 to 2^76
2018-05-17	1997rj7	NF	no factor from 2^74 to 2^75
2017-06-12	-Anonymous-	NF	no factor from 2^73 to 2^74
2017-05-16	Matthias Wurtinger	NF	no factor from 2^72 to 2^73
2013-09-28	SRS Technology	NF	no factor from 2^71 to 2^72
2013-09-28	SRS Technology	NF	no factor from 2^70 to 2^71
2013-09-28	SRS Technology	NF	no factor from 2^69 to 2^70
2013-06-24	PascalBieri	NF	no factor from 2^68 to 2^69
2013-06-22	PascalBieri	NF	no factor from 2^67 to 2^68
2013-06-21	PascalBieri	NF	no factor from 2^66 to 2^67
2013-03-04	Axelsson	NF	no factor from 2^65 to 2^66
2010-11-16	Architects Cubed	NF	no factor from 2^64 to 2^65