101 280 691 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 =	800000
B2 =	15800000

Status	Date	User	Residue	Shift	Type	Base
Unverified (Reliable)	2020-06-22	Ben Delo	D90CD5F3FB746E__	25109307	1	3

History

Date	User	Type	Result
2020-06-22	Ben Delo	C-PRP	D90CD5F3FB746E__ PRP: Unverified (Reliable) PRP without proof (not generated)
2020-06-21	Ben Delo	NF-PM1	B1=800000, B2=15800000, E=12
2020-06-20	Chuck	NF	no factor from 2^76 to 2^77
2020-06-20	ktony	NF	no factor from 2^75 to 2^76
2020-06-20	ktony	NF	no factor from 2^74 to 2^75
2020-03-29	SRBase	NF	no factor from 2^73 to 2^74
2020-03-21	el grocco	NF	no factor from 2^72 to 2^73
2015-02-05	SMoffat	NF	no factor from 2^71 to 2^72
2014-10-13	SMoffat	NF	no factor from 2^70 to 2^71
2014-10-10	SMoffat	NF	no factor from 2^69 to 2^70
2013-09-02	SMoffat	NF	no factor from 2^68 to 2^69
2013-08-30	SMoffat	NF	no factor from 2^67 to 2^68
2013-08-28	SMoffat	NF	no factor from 2^66 to 2^67
2012-04-14	sasaki3	NF	no factor from 2^65 to 2^66
2010-08-13	carlos56	NF	no factor from 2^64 to 2^65
2010-02-22	1997rj7	NF	no factor from 2^63 to 2^64