2 032 991 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
4065983	7	22.0	old
564283159326972991188044233	27	88.9	2022-05-16 10:49:31

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	156 / 640

Estimated T-Level: 26.2 ⓘ

TF below 2^82 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-06	Oliver Kruse	2F3AEF2D5D2016D2	1	0	1	3
Verified (Factored)	2017-11-14	kkmrkkblmbrbk	2F3AEF2D5D2016D2	1	1038876	1	3
Verified	2022-05-17	aperson1	E2DAA263C70A8554	2	1561797	5	3

History

Date	User	Type	Result
2022-05-17	Nerdy Trombone	CERT	PRP Certification Proof certified good
2022-05-17	aperson1	C-PRP	M2032991/4065983/564283159326972991188044233 : E2DAA263C70A8554 PRP proof power = 7 PRP: Verified Proof certified good
2022-05-16	_p95holder_	F-ECM	Factor: 564283159326972991188044233 / (ECM curve 4, B1=50000, B2=5000000)
2017-11-14	kkmrkkblmbrbk	C-PRP	M2032991/4065983 : 2F3AEF2D5D2016D2 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2032991/4065983 : 2F3AEF2D5D2016D2 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12