2 159 083 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
1543126985443313	16	50.5	old
17658531062597310691759	23	73.9	2022-03-21 11:41:11
260149437544143571683379921	27	87.7	2016-03-31 21:21:24

ECM

Digits	B1	Curves
25	50000	108 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-08	Oliver Kruse	54AC7933871E2D5B	1	0	1	3
Verified (Factored)	2017-10-17	Oliver Kruse	36AC5DFCCBA3C9A5	2	2152740	5	3
Verified (Factored)	2017-11-18	kkmrkkblmbrbk	36AC5DFCCBA3C9A5	2	619774	5	3
Verified	2022-03-23	_p95holder_	36AC5DFCCBA3C9A5	3	1789954	5	3

P-1 factors

Date	Factor	B1	B2
2016-03-31	260149437544143571683379921	500000	15000000

History

Date	User	Type	Result
2022-03-23	_p95holder_	C-PRP	M2159083/1543126985443313/260149437544143571683379921/17658531062597310691759 : 36AC5DFCCBA3C9A5 PRP: Verified PRP without proof (not generated)
2022-03-21	_p95holder_	F-ECM	Factor: 17658531062597310691759 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-18	kkmrkkblmbrbk	C-PRP	M2159083/1543126985443313/260149437544143571683379921 : 36AC5DFCCBA3C9A5 PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M2159083/1543126985443313/260149437544143571683379921 : 36AC5DFCCBA3C9A5 PRP: Verified PRP without proof (not generated)
2017-10-08	Oliver Kruse	C-PRP	M2159083/1543126985443313/260149437544143571683379921 : 54AC7933871E2D5B PRP: Verified PRP without proof (not generated)
2016-03-31	alpertron	F-PM1	Factor: 260149437544143571683379921 / (P-1, B1=500000, B2=15000000, E=12)