6 269 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
10279965366823	14	43.2	old
433700204671319282505527	24	78.5	old
846164551387873386710072209468008402128273	42	139.3	2021-03-27 12:58:49

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	3524 / 16550

Estimated T-Level: 46.1 ⓘ

TF below 2^148 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Factored	No proof (small exponent)	2017-09-21	Oliver Kruse	86AC0B1FCE8042EA	2	0	1	3
Factored	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	86AC0B1FCE8042EA	2	5874	1	3
Factored	No proof (small exponent)	2020-04-17	Oliver Kruse	32EAC0E998D2DFC2	2	534	5	3
Verified	No proof (small exponent)	2021-03-27	riccardo uberti	32EAC0E998D2DFC2	3	325	5	3

History

Date	User	Type	Result
2025-03-18	masser	NF-PP1	Start=191/43, B1=1000000000, B2=999000000000
2025-03-10	masser	NF-PP1	Start=6/5, B1=1000000000, B2=999000000000
2025-03-01	masser	NF-PP1	Start=2/7, B1=1000000000, B2=999000000000
2023-08-01	-anonymous-	NF-PM1	B1=39000000000, B2=163113042636343800
2021-08-01	ViliamF	NF-PM1	B1=500000000, B2=90500000000
2021-03-27	riccardo uberti	C-PRP	M6269/10279965366823/433700204671319282505527/846164551387873386710072209468008402128273 : 32EAC0E998D2DFC2
2021-03-27	Ryan Propper	F-ECM	Factor: 846164551387873386710072209468008402128273
2020-04-17	Oliver Kruse	C-PRP	M6269/10279965366823/433700204671319282505527 : 32EAC0E998D2DFC2
2017-10-12	kkmrkkblmbrbk	C-PRP	M6269/10279965366823/433700204671319282505527 : 86AC0B1FCE8042EA
2017-09-21	Oliver Kruse	C-PRP	M6269/10279965366823/433700204671319282505527 : 86AC0B1FCE8042EA
2017-09-21	Oliver Kruse	C-PRP	M6269/10279965366823/433700204671319282505527 : 86AC0B1FCE8042EA
1999-04-23	-anonymous-	F	Factor: 10279965366823