3 525 491 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
7050983	7	22.7	old
848663244503	12	39.6	2008-09-30 21:29:24
41016967946183120641	20	65.2	2018-06-28 12:16:07

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-08	Oliver Kruse	6CDE7B1FC5C4B38A	2	621973	5	3
Verified (Factored)	2017-12-17	kkmrkkblmbrbk	6CDE7B1FC5C4B38A	2	1547315	5	3
Verified	2018-06-29	_p95holder_	6CDE7B1FC5C4B38A	3	878668	5	3
Verified	2018-06-29	francijezek	6CDE7B1FC5C4B38A	3	1715332	5	3
Verified	2018-06-29	francijezek	6CDE7B1FC5C4B38A	3	2494908	5	3

History

Date	User	Type	Result
2022-09-09	Joss	NF-PM1	B1=1000000, B2=235634490
2022-06-07	LordJulius	NF	no factor from 2^66 to 2^67
2022-06-07	LordJulius	NF	no factor from 2^64 to 2^65
2022-06-07	LordJulius	NF	no factor from 2^62 to 2^63
2022-03-14	Joss	NF-PM1	B1=1000000, B2=147632100
2022-02-22	Joss	NF	no factor from 2^67 to 2^68
2018-06-29	francijezek	C-PRP	M3525491/7050983/848663244503/41016967946183120641 : 6CDE7B1FC5C4B38A PRP: Verified PRP without proof (not generated)
2018-06-29	francijezek	C-PRP	M3525491/7050983/848663244503/41016967946183120641 : 6CDE7B1FC5C4B38A PRP: Verified PRP without proof (not generated)
2018-06-29	_p95holder_	C-PRP	M3525491/7050983/848663244503/41016967946183120641 : 6CDE7B1FC5C4B38A PRP: Verified PRP without proof (not generated)
2018-06-28	TJAOI	F	Factor: 41016967946183120641 / TF: 65-66
2017-12-17	kkmrkkblmbrbk	C-PRP	M3525491/7050983/848663244503 : 6CDE7B1FC5C4B38A PRP: Verified PRP without proof (not generated)
2017-11-08	Oliver Kruse	C-PRP	M3525491/7050983/848663244503 : 6CDE7B1FC5C4B38A PRP: Verified PRP without proof (not generated)
2008-09-30	markr	F	Factor: 848663244503