4 843 429 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
3864020884687807	16	51.8	old
42481445679392435687	20	65.2	2018-07-25 09:26:48
105183651631330566551	21	66.5	2020-04-30 07:38:15

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)	2017-09-20	kkmrkkblmbrbk	6FC0275433666E51	1	0	1	3
Verified (Factored)	2018-03-30	Oliver Kruse	6FC0275433666E51	1	811542	1	3
Verified (Factored)	2018-07-27	_p95holder_	7355C9C53F24B2C2	2	535966	5	3
Verified (Factored)	2018-07-27	kkmrkkblmbrbk	7355C9C53F24B2C2	2	851155	5	3
Verified	2020-04-30	Oliver Kruse	7355C9C53F24B2C2	3	4046763	5	3

History

Date	User	Type	Result
2023-11-26	USAFSS	NF-PM1	B1=240000, B2=100109940
2020-04-30	Oliver Kruse	C-PRP	M4843429/3864020884687807/42481445679392435687/105183651631330566551 : 7355C9C53F24B2C2 PRP: Verified PRP without proof (not generated)
2020-04-30	TJAOI	F	Factor: 105183651631330566551 / TF: 66-67
2018-07-27	kkmrkkblmbrbk	C-PRP	M4843429/3864020884687807/42481445679392435687 : 7355C9C53F24B2C2 PRP: Verified PRP without proof (not generated)
2018-07-27	_p95holder_	C-PRP	M4843429/3864020884687807/42481445679392435687 : 7355C9C53F24B2C2 PRP: Verified PRP without proof (not generated)
2018-07-25	TJAOI	F	Factor: 42481445679392435687 / TF: 65-66
2018-03-30	Oliver Kruse	C-PRP	M4843429/3864020884687807 : 6FC0275433666E51 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4843429/3864020884687807 : 6FC0275433666E51 PRP: Verified PRP without proof (not generated)