1 380 083 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
1269676361	10	30.2	old
14403959591723953	17	53.7	2014-10-06 11:20:55
88833727437975437681	20	66.3	2018-07-29 02:33:54

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 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	Oliver Kruse	0AA2D8BB9BCE93B5	2	0	1	3
Verified (Factored)	2017-10-24	kkmrkkblmbrbk	0AA2D8BB9BCE93B5	2	1136879	1	3
Verified	2018-08-01	Oliver Kruse	6D0ADE582043A446	3	1245472	5	3
Verified	2018-08-01	ATH	6D0ADE582043A446	3	781725	5	3

History

Date	User	Type	Result
2018-08-01	ATH	C-PRP	M1380083/1269676361/14403959591723953/88833727437975437681 : 6D0ADE582043A446 PRP: Verified PRP without proof (not generated)
2018-08-01	Oliver Kruse	C-PRP	M1380083/1269676361/14403959591723953/88833727437975437681 : 6D0ADE582043A446 PRP: Verified PRP without proof (not generated)
2018-07-29	Chang Chia-Tche	F-ECM	Factor: 88833727437975437681 / (ECM curve 3, B1=50000, B2=5000000)
2017-10-24	kkmrkkblmbrbk	C-PRP	M1380083/1269676361/14403959591723953 : 0AA2D8BB9BCE93B5 PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1380083/1269676361/14403959591723953 : 0AA2D8BB9BCE93B5 PRP: Verified PRP without proof (not generated)
2014-10-06	TJAOI	F	Factor: 14403959591723953 / TF: 53-54