105 712 949 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 Lucas-Lehmer test says not-prime

TF

No factors below 2⁷⁶

TF target 2⁷⁶

P-1

B1 =	583000
B2 =	187638360

Status	Date	User	Residue	Shift
Unverified	2020-02-25	curtisc	B6A09192464780__	14056575

History

Date	User	Type	Result
2023-06-29	Kriesel	NF-PM1	B1=583000, B2=187638360
2020-02-25	curtisc	C-LL	B6A09192464780__
2020-01-12	curtisc	NF-PM1	B1=1075000
2020-01-09	ATH	NF	no factor from 2^75 to 2^76
2020-01-01	infinigon	NF	no factor from 2^74 to 2^75
2020-01-01	infinigon	NF	no factor from 2^73 to 2^74
2020-01-01	infinigon	NF	no factor from 2^72 to 2^73
2015-01-11	Andreas_Truetsch	NF	no factor from 2^71 to 2^72
2014-10-30	Choi4KANG	NF	no factor from 2^70 to 2^71
2014-10-24	SMoffat	NF	no factor from 2^69 to 2^70
2014-10-21	SMoffat	NF	no factor from 2^68 to 2^69
2014-06-16	-Anonymous-	NF	no factor from 2^67 to 2^68
2013-09-15	CSLatDD	NF	no factor from 2^66 to 2^67
2012-05-13	omiXorp	NF	no factor from 2^65 to 2^66
2010-09-06	Richard	NF	no factor from 2^64 to 2^65
2010-04-27	Richard	NF	no factor from 2^63 to 2^64