203 657 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
6109711	7	22.5	old
158455369581401	15	47.2	2014-02-27 11:33:34
448821536522329129	18	58.6	2014-07-28 13:45:52
135135144122148732391	21	66.9	2014-07-28 13:45:53
132602900510114310940573183	27	86.8	2020-05-31 08:31:00
7639839012609820796998312583	28	92.6	2019-11-20 06:16:09

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	183 / 1566

Estimated T-Level: 30.6 ⓘ

TF below 2^97 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-22	Oliver Kruse	A7C0003DA3FC9777	4	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	A7C0003DA3FC9777	4	159749	1	3
Verified (Factored)	2019-11-20	mnd9	6420975A2BF5756A	5	87317	5	3
Verified (Factored)	2019-11-21	mnd9	6420975A2BF5756A	5	71726	5	3
Verified (Factored)	2019-11-21	marssystems	6420975A2BF5756A	5	156947	5	3
Verified	2020-05-31	M Miller	6420975A2BF5756A	6	52835	5	3
Verified	2023-08-03	USAFSS	6420975A2BF5756A	6	59110	5	3

History

Date	User	Type	Result
2023-08-03	Chuck	CERT	PRP Certification Proof certified good
2023-08-03	USAFSS	C-PRP	M203657/6109711/158455369581401/448821536522329129/135135144122148732391/132602900510114310940573183/7639839012609820796998312583 : 6420975A2BF5756A PRP proof power = 5 PRP: Verified Proof certified good
2022-02-06	Oliver Kruse	NF-PM1	B1=30000000, B2=10264076402580
2021-05-05	Oliver Kruse	NF-PM1	B1=30000000, B2=3000000000
2020-05-31	M Miller	C-PRP	M203657/6109711/158455369581401/448821536522329129/135135144122148732391/7639839012609820796998312583/132602900510114310940573183 : 6420975A2BF5756A PRP: Verified PRP without proof (small exponent)
2020-05-31	nordi	F-ECM	Factor: 132602900510114310940573183 / (ECM curve 3, B1=250000, B2=25000000, Sigma=712576670007140)
2019-11-21	marssystems	C-PRP	M203657/6109711/158455369581401/448821536522329129/135135144122148732391/7639839012609820796998312583 : 6420975A2BF5756A PRP: Verified PRP without proof (small exponent)
2019-11-21	mnd9	C-PRP	M203657/6109711/158455369581401/448821536522329129/135135144122148732391/7639839012609820796998312583 : 6420975A2BF5756A PRP: Verified PRP without proof (small exponent)
2019-11-20	mnd9	C-PRP	M203657/6109711/158455369581401/448821536522329129/135135144122148732391/7639839012609820796998312583 : 6420975A2BF5756A PRP: Verified PRP without proof (small exponent)
2019-11-20	Niels_Mache_Nextcloud	F-ECM	Factor: 7639839012609820796998312583 / (ECM curve 2, B1=250000, B2=25000000, Sigma=4630006209346984)
2017-10-12	kkmrkkblmbrbk	C-PRP	M203657/6109711/158455369581401/448821536522329129/135135144122148732391 : A7C0003DA3FC9777 PRP: Verified PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M203657/known_factors : A7C0003DA3FC9777 PRP without proof (not generated)
2014-07-28	TJAOI	F-ECM	Factor: 135135144122148732391
2014-07-28	TJAOI	F-ECM	Factor: 448821536522329129
2014-02-27	TJAOI	F	Factor: 158455369581401