2 036 423 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
43648690583	11	35.3	old
555281934608993451328247	24	78.9	2023-12-15 12:21:49
27680948520026930678634481	26	84.5	2021-09-19 16:04:35

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	152 / 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	C88FA61890E50921	1	0	1	3
Verified (Factored)	2017-11-14	ATH	C88FA61890E50921	1	348710	1	3
Verified (Factored)	2021-09-19	Ahmed Azhad	FC659ABE563C4A32	2	1090980	5	3
Verified	2023-12-15	Naegi Makoto	FC659ABE563C4A32	3	665893	5	3

History

Date	User	Type	Result
2023-12-15	curtisc	CERT	PRP Certification
2023-12-15	Naegi Makoto	C-PRP	M2036423/43648690583/555281934608993451328247/27680948520026930678634481 : FC659ABE563C4A32 PRP proof power = 7 ⓘ PRP-Proof results couldn't be automatically matched
2023-12-15	TJAOI	F-ECM	Factor: 555281934608993451328247 / (ECM curve 32, B1=250000, B2=205401735, Sigma=1492815554783404)
2021-09-19	LOBES	CERT	PRP Certification Proof certified good
2021-09-19	Ahmed Azhad	C-PRP	M2036423/43648690583/27680948520026930678634481 : FC659ABE563C4A32 PRP proof power = 7 PRP: Verified (Factored) Proof certified good
2021-09-19	Ahmed Azhad	F-ECM	Factor: 27680948520026930678634481 / (ECM curve 2, B1=50000, B2=6900000, Sigma=799707771235227)
2017-11-14	ATH	C-PRP	M2036423/43648690583 : C88FA61890E50921 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2036423/43648690583 : C88FA61890E50921 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12