1 810 609 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
141227503	9	27.1	old
26465926164226557922159	23	74.5	2020-07-17 23:07:02

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	135 / 640

Estimated T-Level: 26.1 ⓘ

TF below 2^82 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-03	Oliver Kruse	CA7A908BCFCD50D9	1	0	1	3
Verified (Factored)	2017-11-11	kkmrkkblmbrbk	CA7A908BCFCD50D9	1	504320	1	3
Verified	2020-07-18	M Miller	2D1E88C405AFAFC7	2	501245	5	3
Verified	2020-07-18	ATH	2D1E88C405AFAFC7	2	1328656	5	3

History

Date	User	Type	Result
2020-07-18	ATH	C-PRP	M1810609/141227503/26465926164226557922159 : 2D1E88C405AFAFC7 PRP: Verified PRP without proof (not generated)
2020-07-18	M Miller	C-PRP	M1810609/141227503/26465926164226557922159 : 2D1E88C405AFAFC7 PRP: Verified PRP without proof (not generated)
2020-07-17	_p95holder_	F-ECM	Factor: 26465926164226557922159 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-11	kkmrkkblmbrbk	C-PRP	M1810609/141227503 : CA7A908BCFCD50D9 PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1810609/141227503 : CA7A908BCFCD50D9 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12