101 517 811 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	2020-12-16	ky0uraku	BCBC8577EE7A9E12	14906426	1	3

History

Date	User	Type	Result
2020-12-16	Franklin Webber	CERT	PRP Certification CERT proof power = 9 Proof certified good
2020-12-16	ky0uraku	C-PRP	BCBC8577EE7A9E12 PRP proof power = 9 PRP: Verified Proof certified good
2020-12-08	Kriesel	NF-PM1	B1=1000000, B2=30000000
2020-10-08	Mark Rose	NF	no factor from 2^75 to 2^76
2020-10-08	Mark Rose	NF	no factor from 2^74 to 2^75
2020-03-25	Hans Loeblich	NF	no factor from 2^73 to 2^74
2020-03-15	bayanne	NF	no factor from 2^72 to 2^73
2014-12-03	shauge	NF	no factor from 2^71 to 2^72
2014-04-08	SMoffat	NF	no factor from 2^70 to 2^71
2014-04-04	James P McMillan	NF	no factor from 2^69 to 2^70
2014-03-25	SMoffat	NF	no factor from 2^68 to 2^69
2013-10-26	GrunwalderGIMP	NF	no factor from 2^67 to 2^68
2013-10-25	g0b	NF	no factor from 2^66 to 2^67
2012-04-16	HardyP Germany	NF	no factor from 2^65 to 2^66
2010-08-14	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-03-29	1997rj7	NF	no factor from 2^63 to 2^64