1 923 671 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
101573676143	12	36.6	old
362419634132399279	18	58.3	2015-08-27 11:20:24
6698769752491288124089	22	72.5	2021-01-23 16:42:25

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	106 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-30	alpertron	8907645C01882FEF	2	0	1	3
Verified (Factored)	2017-10-20	Oliver Kruse	8907645C01882FEF	2	325906	1	3
Verified	2021-01-23	mrh	1AED747084675106	3	135861	5	3

History

Date	User	Type	Result
2021-01-24	curtisc	CERT	PRP Certification Proof certified good
2021-01-23	mrh	C-PRP	M1923671/101573676143/362419634132399279/6698769752491288124089 : 1AED747084675106 PRP proof power = 7 PRP: Verified Proof certified good
2021-01-23	seatsea	F-ECM	Factor: 6698769752491288124089 / (ECM curve 4, B1=50000, B2=4950000, Sigma=3721713682092324)
2017-10-20	Oliver Kruse	C-PRP	M1923671/101573676143/362419634132399279 : 8907645C01882FEF PRP: Verified (Factored) PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M1923671/101573676143/362419634132399279 : 8907645C01882FEF PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2015-08-27	TJAOI	F	Factor: 362419634132399279 / TF: 58-59