12 820 243 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
12445584218569	14	43.5	old
20445253315527247	17	54.2	2014-11-08 12:51:40
104961552163450369	18	56.5	2015-04-10 11:53:30

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-05-31	Ember_Edison	6B765DB576CFFF2A	3	12099398	5	3

History

Date	User	Type	Result
2022-05-31	curtisc	CERT	PRP Certification Proof certified good
2022-05-31	Ember_Edison	C-PRP	M12820243/12445584218569/20445253315527247/104961552163450369 : 6B765DB576CFFF2A PRP proof power = 8 PRP: Verified Proof certified good
2022-05-12	nordi	NF-PM1	B1=400000, B2=428459850
2022-04-21	nordi	NF-PM1	B1=400000
2015-04-10	TJAOI	F	Factor: 104961552163450369 / TF: 56-57
2014-11-08	TJAOI	F	Factor: 20445253315527247 / TF: 54-55