16 759 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
18813924255104606772958155406421937649	38	123.8	2009-06-06 04:38:23

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	1346 / 4588

Estimated T-Level: 36.5 ⓘ

TF below 2^116 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Unknown	48B4	0
Verified (Factored)		George Woltman	D5E6C30F518E48B4	0
Verified (Factored)		Brian J. Beesley	D5E6C30F518E48B4	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	FB6C7A118DB2AC03	1	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	FB6C7A118DB2AC03	1	10511	1	3
Unverified	2020-04-17	Oliver Kruse	00671930C6DF86__	1	7498	5	3

P-1 factors

Date	Factor	B1	B2
2022-04-23	18813924255104606772958155406421937649	100000000000	80348941922148896

History

Date	User	Type	Result
2022-04-23	-Anonymous-	F-PM1	Factor: 18813924255104606772958155406421937649 / (P-1, B1=100000000000, B2=80348941922148900)
2020-04-17	Oliver Kruse	C-PRP	M16759/18813924255104606772958155406421937649 : 00671930C6DF86__ PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M16759/18813924255104606772958155406421937649 : FB6C7A118DB2AC03 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M16759/18813924255104606772958155406421937649 : FB6C7A118DB2AC03 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M16759/18813924255104606772958155406421937649 : FB6C7A118DB2AC03 PRP without proof (not generated)
2009-06-06	unconnected	F-ECM	Factor: 18813924255104606772958155406421937649