10 044 017 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
149914778264519815607	21	67.0	2016-06-16 13:50:15

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^61 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	2000-08-31	Eric Ortega	77D6068298853424	5273435
Verified (Factored)	2003-11-28	Martti Järvi	77D6068298853424	8475613

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-12-21	Alvin Bunk	8B4BEF5157956812	1	8592516	5	3
Verified	2021-01-22	XZT	8B4BEF5157956812	1	7542479	5	3

History

Date	User	Type	Result
2021-12-28	ViliamF	NF	no factor from 2^68 to 2^69
2021-01-22	Simon Josefsson	CERT	PRP Certification Proof certified good
2021-01-22	XZT	C-PRP	M10044017/149914778264519815607 : 8B4BEF5157956812 PRP proof power = 8 PRP: Verified Proof certified good
2019-12-21	Alvin Bunk	C-PRP	M10044017/149914778264519815607 : 8B4BEF5157956812 PRP: Verified PRP without proof (not generated)
2016-06-16	mikr	F	Factor: 149914778264519815607 / TF: 67-68*
2016-06-16	mikr	NF	no factor from 2^67 to 2^68
2015-11-10	VictordeHollander	NF	no factor from 2^66 to 2^67
2015-04-20	Tha	NF	no factor from 2^65 to 2^66
2011-12-23	bcp19	NF-PM1	B1=110000, B2=1952500, E=6
2011-09-27	David Campeau	NF	no factor from 2^64 to 2^65