1 966 127 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
519057529	9	29.0	old
14549339801	11	33.8	2008-07-15 07:48:46
29977306474712467616407	23	74.7	2021-01-21 05:19:29

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)	2017-10-05	Oliver Kruse	9A67D00458C471B0	2	0	1	3
Verified (Factored)	2017-11-11	ATH	9A67D00458C471B0	2	1757186	1	3
Verified	2021-01-21	mrh	69524E8784162652	3	596679	5	3

History

Date	User	Type	Result
2022-04-12	Lisander Viaene	NF-PM1	B1=500000, B2=1964033610
2021-01-21	Brian Schroeder	CERT	PRP Certification Proof certified good
2021-01-21	mrh	C-PRP	M1966127/519057529/14549339801/29977306474712467616407 : 69524E8784162652 PRP proof power = 7 PRP: Verified Proof certified good
2021-01-21	seatsea	F-ECM	Factor: 29977306474712467616407 / (ECM curve 2, B1=50000, B2=6750000, Sigma=7934562962054108)
2017-11-11	ATH	C-PRP	M1966127/519057529/14549339801 : 9A67D00458C471B0 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1966127/519057529/14549339801 : 9A67D00458C471B0 PRP: Verified (Factored) PRP without proof (not generated)
2008-07-15	J Feitsma	F	Factor: 14549339801