1 895 357 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
66942689510502329	17	55.9	old
46308974564863660823	20	65.3	2018-09-25 12:33:13
53032653694369279890991	23	75.5	2020-07-30 23:21:27

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)	2017-10-04	Oliver Kruse	4425F491D371D3FC	1	0	1	3
Verified (Factored)	2017-11-09	kkmrkkblmbrbk	4425F491D371D3FC	1	404093	1	3
Verified (Factored)	2018-09-25	ATH	8059D66F0FC7237D	2	733684	5	3
Verified (Factored)	2018-09-25	rucio	8059D66F0FC7237D	2	1591613	5	3
Verified	2020-07-31	M Miller	8059D66F0FC7237D	3	1756591	5	3

History

Date	User	Type	Result
2022-04-12	Lisander Viaene	NF-PM1	B1=500000, B2=2903586840
2020-07-31	M Miller	C-PRP	M1895357/66942689510502329/46308974564863660823/53032653694369279890991 : 8059D66F0FC7237D PRP: Verified PRP without proof (not generated)
2020-07-30	_p95holder_	F-ECM	Factor: 53032653694369279890991 / (ECM curve 2, B1=50000, B2=5000000)
2018-09-25	rucio	C-PRP	M1895357/66942689510502329/46308974564863660823 : 8059D66F0FC7237D PRP: Verified PRP without proof (not generated)
2018-09-25	ATH	C-PRP	M1895357/66942689510502329/46308974564863660823 : 8059D66F0FC7237D PRP: Verified PRP without proof (not generated)
2018-09-25	TJAOI	F	Factor: 46308974564863660823 / TF: 65-66
2017-11-09	kkmrkkblmbrbk	C-PRP	M1895357/66942689510502329 : 4425F491D371D3FC PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1895357/66942689510502329 : 4425F491D371D3FC PRP: Verified PRP without proof (not generated)