5 371 453 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is composite.

Trial Factored to 2⁷⁰

TF target 2⁶⁶

Factored

Factor	Digits	Bits	Date
2762774621833	13	41.3	old
143641652670528167	18	57.0	2015-05-15 11:40:17
63023576672537509727	20	65.8	2019-04-30 12:27:43

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Factored	PRP without proof (not generated)	2017-11-29	kkmrkkblmbrbk	138B465AEB04CE84	2	1939233	5	3
Factored	PRP without proof (not generated)	2018-06-17	axn	138B465AEB04CE84	2	3703033	5	3
Verified	PRP without proof (not generated)	2019-04-30	storm5510	138B465AEB04CE84	3	4262414	5	3

History

Date	User	Type	Result
2025-04-25	Sid & Andy	NF	no factor TF: 68-70
2025-03-25	Sid & Andy	NF-PM1	B1=3600000, B2=8759159640
2023-05-11	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2022-06-22	LordJulius	NF	no factor TF: 64-65
2022-06-22	LordJulius	NF	no factor TF: 60-63
2022-06-22	LordJulius	NF	no factor TF: 63-64
2022-05-30	Magallan3s	F	Factor: 143641652670528167 / TF: 1-60
2022-05-30	Magallan3s	F	Factor: 2762774621833 / TF: 1-60
2019-04-30	storm5510	C-PRP	M5371453/2762774621833/143641652670528167/63023576672537509727 : 138B465AEB04CE84
2019-04-30	TJAOI	F	Factor: 63023576672537509727
2018-06-17	axn	C-PRP	M5371453/2762774621833/143641652670528167 : 138B465AEB04CE84
2017-11-29	kkmrkkblmbrbk	C-PRP	M5371453/2762774621833/143641652670528167 : 138B465AEB04CE84
2015-05-15	TJAOI	F	Factor: 143641652670528167