2 048 369 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
1324909068083750687	19	60.2	2016-01-20 12:14:46
4359513082380972223	19	61.9	2008-12-07 12:26:40

ECM

Digits	B1	Curves
25	50000	140 / 280

Estimated T-Level: 22.5 ⓘ

TF below 2^70 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Brian Reilly	F12CC7CE677FB540	0
Verified (Factored)	1999-01-17	Martijn Otto	F12CC7CE677FB540	624283

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-30	alpertron	B36A05F56CD93C0E	2	0	1	3
Verified	2017-10-21	Oliver Kruse	B36A05F56CD93C0E	2	861437	1	3

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2017-10-21	Oliver Kruse	C-PRP	M2048369/4359513082380972223/1324909068083750687 : B36A05F56CD93C0E PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M2048369/1324909068083750687/4359513082380972223 : B36A05F56CD93C0E PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2016-01-20	TJAOI	F	Factor: 1324909068083750687 / TF: 60-61
2008-12-07	SubPrime	F-ECM	Factor: 4359513082380972223