361 511 Exponent Status

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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 7 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
6507199	7	22.6	old
32535991	8	25.0	2008-07-21 09:17:44
2484303593	10	31.2	2008-07-21 09:17:44
3978937562489	13	41.9	2008-07-21 09:17:44
548394570089378402505103	24	78.9	2018-02-02 17:05:17
833595641412538282172249	24	79.5	2016-10-26 13:47:22
413057616102546900553443967	27	88.4	2016-05-13 12:17:59

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	538 / 640

Estimated T-Level: 29.2 ⓘ

TF below 2^92 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-23	Oliver Kruse	2A157C7B734808EA	6	0	1	3
Verified (Factored)	2017-10-13	Oliver Kruse	2A157C7B734808EA	6	281169	1	3
Verified (Factored)	2017-12-15	ATH	2A157C7B734808EA	6	211324	1	3
Verified	2018-02-02	MaximeG	3AD1EC68A04C3225	7	113781	5	3
Verified	2018-02-03	trebor	3AD1EC68A04C3225	7	257698	5	3

P-1 factors

Date	Factor	B1	B2
2016-10-26	833595641412538282172249	5000000	40000000

History

Date	User	Type	Result
2021-05-20	Seth_Tr	NF-PM1	B1=1000000000, B2=241000000000
2021-03-21	Seth_Tr	NF-PM1	B1=200000000, B2=36600000000
2021-03-10	Seth_Tr	NF-PM1	B1=20000000, B2=2820000000
2021-03-02	Seth_Tr	NF-PM1	B1=10000000, B2=1260000000
2018-02-03	trebor	C-PRP	M361511/6507199/2484303593/32535991/3978937562489/413057616102546900553443967/833595641412538282172249/548394570089378402505103 : 3AD1EC68A04C3225 PRP: Verified PRP without proof (small exponent)
2018-02-02	MaximeG	C-PRP	M361511/6507199/32535991/2484303593/3978937562489/548394570089378402505103/833595641412538282172249/413057616102546900553443967 : 3AD1EC68A04C3225 PRP: Verified PRP without proof (small exponent)
2018-02-02	TJAOI	F-ECM	Factor: 548394570089378402505103 / (ECM curve 28, B1=250000, B2=25000000)
2017-12-15	ATH	C-PRP	M361511/6507199/32535991/2484303593/3978937562489/833595641412538282172249/413057616102546900553443967 : 2A157C7B734808EA PRP: Verified PRP without proof (small exponent)
2017-10-13	Oliver Kruse	C-PRP	M361511/6507199/2484303593/32535991/3978937562489/413057616102546900553443967/833595641412538282172249 : 2A157C7B734808EA PRP: Verified PRP without proof (small exponent)
2017-09-23	Oliver Kruse	C-PRP	M361511/known_factors : 2A157C7B734808EA PRP without proof (not generated)
2016-10-26	kkmrkkblmbrbk	F-PM1	Factor: 833595641412538282172249 / (P-1, B1=5000000, B2=40000000, E=12)
2016-05-13	TJAOI	F-ECM	Factor: 413057616102546900553443967 / (ECM curve 45, B1=50000, B2=5000000)
2008-07-21	J Feitsma	F	Factor: 3978937562489
2008-07-21	J Feitsma	F	Factor: 32535991
2008-07-21	J Feitsma	F	Factor: 2484303593