30 133 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
180799	6	17.5	old
85276391	8	26.3	2008-08-26 19:59:22
121765765553	12	36.8	2008-08-26 19:59:23
3453944501561	13	41.7	2008-08-26 19:59:23
50285320755629066287265366203906273	35	115.3	2017-09-18 17:25:41

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	2651 / 4588

Estimated T-Level: 37.9 ⓘ

TF below 2^121 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	133B9D868908A58F	5	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	133B9D868908A58F	5	0	1	3
Verified	2017-12-07	ATH	133B9D868908A58F	5	14916	1	3
Unverified	2020-04-17	Oliver Kruse	888C2622727A44__	5	1453	5	3

History

Date	User	Type	Result
2022-10-16	nordi	NF-PM1	B1=3000000000, B2=920287779501090
2022-10-02	nordi	NF-PM1	B1=3000000000
2020-04-17	Oliver Kruse	C-PRP	M30133/180799/85276391/121765765553/3453944501561/50285320755629066287265366203906273 : 888C2622727A44__ PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M30133/180799/85276391/121765765553/3453944501561/50285320755629066287265366203906273 : 133B9D868908A58F PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M30133/180799/85276391/121765765553/3453944501561/50285320755629066287265366203906273 : 133B9D868908A58F PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M30133/180799/85276391/121765765553/3453944501561/50285320755629066287265366203906273 : 133B9D868908A58F PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M30133/180799/85276391/121765765553/3453944501561/50285320755629066287265366203906273 : 133B9D868908A58F PRP without proof (not generated)
2017-09-18	nordi	F-ECM	Factor: 50285320755629066287265366203906273 / (ECM curve 76, B1=3000000, B2=300000000)
2016-10-06	kkmrkkblmbrbk	NF-PM1	B1=200000000, B2=5000000000, E=12
2008-08-26	-Anonymous-	F	Factor: 3453944501561
2008-08-26	-Anonymous-	F	Factor: 121765765553
2008-08-26	-Anonymous-	F	Factor: 85276391