1 826 129 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
13849362337	11	33.7	old
784373537113	12	39.5	2008-07-15 07:47:06
240060603497813611049	21	67.7	2020-10-17 16:42:59
7941384904053895159489511	25	82.7	2021-04-09 16:12:28

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	106 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-04	Oliver Kruse	D2FBB772151E62BA	2	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	D2FBB772151E62BA	2	1261350	1	3
Verified (Factored)	2020-10-21	Klaus Nordmann	B67CCA6AEDF5FE7C	3	1399006	5	3
Verified (Factored)	2020-11-11	Oliver Kruse	B67CCA6AEDF5FE7C	3	1568453	5	3
Verified	2021-04-10	XZT	B67CCA6AEDF5FE7C	4	1082867	5	3

History

Date	User	Type	Result
2021-04-10	Ben Delo	CERT	PRP Certification Proof certified good
2021-04-10	XZT	C-PRP	M1826129/13849362337/784373537113/240060603497813611049/7941384904053895159489511 : B67CCA6AEDF5FE7C PRP proof power = 7 PRP: Verified Proof certified good
2021-04-09	TJAOI	F-ECM	Factor: 7941384904053895159489511 / (ECM curve 36, B1=50000, B2=6600000)
2020-11-11	Luke B	CERT	PRP Certification Proof certified good
2020-11-11	Oliver Kruse	C-PRP	M1826129/13849362337/784373537113/240060603497813611049 : B67CCA6AEDF5FE7C PRP proof power = 7 PRP: Verified (Factored) Proof certified good
2020-10-21	Klaus Nordmann	C-PRP	M1826129/13849362337/784373537113/240060603497813611049 : B67CCA6AEDF5FE7C PRP proof power = 7 PRP: Verified (Factored) PRP proof never uploaded
2020-10-17	_p95holder_	F-ECM	Factor: 240060603497813611049 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-06	kkmrkkblmbrbk	C-PRP	M1826129/13849362337/784373537113 : D2FBB772151E62BA PRP: Verified (Factored) PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1826129/13849362337/784373537113 : D2FBB772151E62BA PRP: Verified (Factored) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-07-15	J Feitsma	F	Factor: 784373537113