209 533 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
46293570374302746487	20	65.3	2008-01-11 03:51:48

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	561 / 640

Estimated T-Level: 29.4 ⓘ

TF below 2^93 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-22	Oliver Kruse	F8BD0EDE44A246BC	1	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	F8BD0EDE44A246BC	1	128657	1	3
Verified	2020-04-17	Oliver Kruse	C236F042AC4F0540	1	46498	5	3
Verified	2023-08-03	USAFSS	C236F042AC4F0540	1	54694	5	3

History

Date	User	Type	Result
2023-08-03	curtisc	CERT	PRP Certification Proof certified good
2023-08-03	USAFSS	C-PRP	M209533/46293570374302746487 : C236F042AC4F0540 PRP proof power = 5 PRP: Verified Proof certified good
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2022-02-16	Oliver Kruse	NF-PM1	B1=30000000, B2=10070832992220
2021-05-14	Oliver Kruse	NF-PM1	B1=30000000, B2=3000000000
2020-04-17	Oliver Kruse	C-PRP	M209533/46293570374302746487 : C236F042AC4F0540 PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M209533/46293570374302746487 : F8BD0EDE44A246BC PRP: Verified PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M209533/46293570374302746487 : F8BD0EDE44A246BC PRP: Verified PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M209533/46293570374302746487 : F8BD0EDE44A246BC PRP without proof (not generated)
2008-01-11	Team_Bundu	F-ECM	Factor: 46293570374302746487