52 691 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
7692887	7	22.9	old
1161863158357938373632119057073502087	37	119.8	2020-10-18 10:59:43

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	537 / 4588

Estimated T-Level: 35.6 ⓘ

TF below 2^113 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-21	Oliver Kruse	358A55E8C26B02CA	1	0	1	3
Verified (Factored)	2017-10-13	kkmrkkblmbrbk	358A55E8C26B02CA	1	21663	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	E0FB7EEA833A2B0C	1	50733	5	3
Verified	2020-10-18	M Miller	E0FB7EEA833A2B0C	2	31433	5	3

History

Date	User	Type	Result
2023-04-14	JacobZ	NF-PM1	B1=670000000, B2=869043909844110
2021-11-12	fbaur	NF-PP1	Start=6/5, B1=50000000, B2=4000000000
2021-04-27	ATH	NF-PP1	Start=2/7, B1=15000000, B2=1500000000
2020-10-18	M Miller	C-PRP	M52691/7692887/1161863158357938373632119057073502087 : E0FB7EEA833A2B0C PRP: Verified PRP without proof (small exponent)
2020-10-18	nordi	F-ECM	Factor: 1161863158357938373632119057073502087 / (ECM curve 62, B1=1000000, B2=100000000, Sigma=1702377167008101)
2020-04-17	Oliver Kruse	C-PRP	M52691/7692887 : E0FB7EEA833A2B0C PRP: Verified PRP without proof (small exponent)
2017-10-13	kkmrkkblmbrbk	C-PRP	M52691/7692887 : 358A55E8C26B02CA PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M52691/7692887 : 358A55E8C26B02CA PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M52691/7692887 : 358A55E8C26B02CA PRP without proof (not generated)
2016-09-24	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=2000000000, E=12