2 003 269 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
156254983	9	27.2	old
92718145255580344481	20	66.3	2016-01-12 23:44:52
3975008255038482910441	22	71.8	2022-06-09 07:04:43

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	115 / 640

Estimated T-Level: 25.9 ⓘ

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)	2017-09-30	alpertron	EE5427DD209CB2EB	2	0	1	3
Verified (Factored)	2017-10-20	Oliver Kruse	EE5427DD209CB2EB	2	1755739	1	3
Verified	2022-06-11	_p95holder_	F3B60B5A169C63EC	3	766435	5	3
Verified	2022-06-15	XZT	F3B60B5A169C63EC	3	248629	5	3

P-1 factors

Date	Factor	B1	B2
2016-01-12	92718145255580344481	500000	15000000

History

Date	User	Type	Result
2022-06-15	WangYiQi	CERT	PRP Certification Proof certified good
2022-06-15	XZT	C-PRP	M2003269/156254983/92718145255580344481/3975008255038482910441 : F3B60B5A169C63EC PRP proof power = 7 PRP: Verified Proof certified good
2022-06-11	_p95holder_	C-PRP	M2003269/156254983/92718145255580344481/3975008255038482910441 : F3B60B5A169C63EC PRP: Verified PRP without proof (not generated)
2022-06-09	_p95holder_	F-ECM	Factor: 3975008255038482910441 / (ECM curve 3, B1=50000, B2=5000000)
2017-10-20	Oliver Kruse	C-PRP	M2003269/156254983/92718145255580344481 : EE5427DD209CB2EB PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M2003269/156254983/92718145255580344481 : EE5427DD209CB2EB PRP: Verified PRP without proof (not generated)
2016-01-12	alpertron	F-PM1	Factor: 92718145255580344481 / (P-1, B1=500000, B2=15000000, E=12)