5 068 927 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
121654249	9	26.9	old
50939041256270753	17	55.5	2015-01-28 12:30:36
101804984256337847	18	56.5	2015-04-08 11:30:58
23403358676566518716279	23	74.3	2019-10-18 16:51:58

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	6686F2786956EDBA	3	0	1	3
Verified (Factored)	2018-04-30	trebor	6686F2786956EDBA	3	747503	1	3
Verified	2019-10-18	ATH	C75B33B3FBA353C1	4	4772852	5	3
Verified	2019-10-20	arnaud	C75B33B3FBA353C1	4	599152	5	3

History

Date	User	Type	Result
2023-05-11	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2019-10-20	arnaud	C-PRP	M5068927/121654249/50939041256270753/101804984256337847/23403358676566518716279 : C75B33B3FBA353C1 PRP: Verified PRP without proof (not generated)
2019-10-18	ATH	C-PRP	M5068927/121654249/50939041256270753/101804984256337847/23403358676566518716279 : C75B33B3FBA353C1 PRP: Verified PRP without proof (not generated)
2019-10-18	ATH	F-ECM	Factor: 23403358676566518716279 / (ECM curve 3, B1=50000, B2=5000000, Sigma=5961360807773104)
2018-04-30	trebor	C-PRP	M5068927/121654249/50939041256270753/101804984256337847 : 6686F2786956EDBA PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5068927/101804984256337847/121654249/50939041256270753 : 6686F2786956EDBA PRP: Verified PRP without proof (not generated)
2015-04-08	TJAOI	F	Factor: 101804984256337847 / TF: 56-57
2015-01-28	TJAOI	F	Factor: 50939041256270753 / TF: 55-56