1 229 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
36871	5	15.2	old
46703	5	15.5	old
10543179280661916121033	23	73.2	old
9536289355314392579996071515160583098298616686033085857	55	182.6	2014-01-14 19:52:09

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	16550 / 16550
55	110000000	40830 / 40830
60	260000000	105362 / 105362
65	800000000	96451 / 194238

Estimated T-Level: 62.5 ⓘ

TF below 2^203 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-27	Oliver Kruse	ABD7D71DF1281666	4	0	1	3
Verified	2017-10-09	Chang Chia-Tche	ABD7D71DF1281666	4	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	ABD7D71DF1281666	4	461	1	3
Verified	2020-04-17	Oliver Kruse	E7FC22FC9F6ACC35	4	450	5	3
Verified	2020-08-12	_p95holder_	E7FC22FC9F6ACC35	4	990	5	3

History

Date	User	Type	Result
2021-07-19	ViliamF	NF-PP1	Start=2/7, B1=1000000000, B2=221000000000
2021-03-27	nordi	NF-PM1	B1=1000000000000, B2=2232843418649129478
2020-08-12	_p95holder_	C-PRP	M1229/36871/46703/10543179280661916121033/9536289355314392579996071515160583098298616686033085857 : E7FC22FC9F6ACC35 PRP: Verified PRP without proof (small exponent)
2020-04-17	Oliver Kruse	C-PRP	M1229/36871/46703/10543179280661916121033/9536289355314392579996071515160583098298616686033085857 : E7FC22FC9F6ACC35 PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M1229/36871/46703/10543179280661916121033/9536289355314392579996071515160583098298616686033085857 : ABD7D71DF1281666 PRP: Verified PRP without proof (not generated)
2017-10-09	Chang Chia-Tche	C-PRP	M1229/known_factors : ABD7D71DF1281666 PRP: Verified PRP without proof (not generated)
2017-09-27	Oliver Kruse	C-PRP	M1229/36871/46703/10543179280661916121033/9536289355314392579996071515160583098298616686033085857 : ABD7D71DF1281666 PRP: Verified PRP without proof (not generated)
2017-09-25	csaba	C-PRP	M1229/known_factors : ABD7D71DF1281666 PRP without proof (not generated)
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=1000000000, B2=100000000000, E=12
2014-01-14	-Anonymous-	F-ECM	Factor: 9536289355314392579996071515160583098298616686033085857