103 143 163 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 =	774000
B2 =	31552000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-03-19	Ben Delo	A6BA868B594FFF4A	26786641	1	3

History

Date	User	Type	Result
2021-03-19	Ben Delo	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-03-19	Ben Delo	C-PRP	A6BA868B594FFF4A PRP proof power = 8 PRP: Verified Proof certified good
2021-03-17	Team_Inspector	NF-PM1	B1=774000, B2=31552000
2020-11-30	TheJudger	NF	no factor from 2^75 to 2^76
2020-11-30	TheJudger	NF	no factor from 2^74 to 2^75
2020-01-12	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2020-01-12	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2020-01-03	La Güira	NF	no factor from 2^73 to 2^74
2020-01-03	La Güira	NF	no factor from 2^72 to 2^73
2014-12-23	Choi4KANG	NF	no factor from 2^71 to 2^72
2014-10-23	workerthread	NF	no factor from 2^70 to 2^71
2014-07-09	Ryan Propper	NF	no factor from 2^69 to 2^70
2014-07-09	Ryan Propper	NF	no factor from 2^68 to 2^69
2014-07-07	-Anonymous-	NF	no factor from 2^67 to 2^68
2014-05-07	sannerud.com	NF	no factor from 2^66 to 2^67
2012-04-27	sasaki3	NF	no factor from 2^65 to 2^66
2010-08-21	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-04-16	linded	NF	no factor from 2^63 to 2^64