801 127 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
8011271	7	22.9	old
1001683189595406684524684445379833809	37	119.6	2021-08-25 09:07:49

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	118 / 640

Estimated T-Level: 25.9 ⓘ

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)	2017-09-28	Oliver Kruse	21AFD7CC61F6667A	1	0	1	3
Verified (Factored)	2017-10-14	kkmrkkblmbrbk	21AFD7CC61F6667A	1	460838	1	3
Verified (Factored)	2020-04-21	Oliver Kruse	2350C48975633F8B	1	596255	5	3
Verified	2021-08-25	SRJ2877	2350C48975633F8B	2	728739	5	3

P-1 factors

Date	Factor	B1	B2
2021-08-25	1001683189595406684524684445379833809	10000000	830000000

History

Date	User	Type	Result
2021-09-13	gLauss	NF-PP1	Start=2/7, B1=5000000, B2=365000000
2021-08-25	Massimo Cappelli (ik5pwa)	CERT	PRP Certification Proof certified good
2021-08-25	SRJ2877	C-PRP	M801127/8011271/1001683189595406684524684445379833809 : 2350C48975633F8B PRP proof power = 6 PRP: Verified Proof certified good
2021-08-25	gLauss	F-PM1	Factor: 1001683189595406684524684445379833809 / (P-1, B1=10000000, B2=830000000)
2020-04-21	Oliver Kruse	C-PRP	M801127/8011271 : 2350C48975633F8B PRP: Verified (Factored) PRP without proof (small exponent)
2017-10-14	kkmrkkblmbrbk	C-PRP	M801127/8011271 : 21AFD7CC61F6667A PRP: Verified (Factored) PRP without proof (small exponent)
2017-09-28	Oliver Kruse	C-PRP	M801127/8011271 : 21AFD7CC61F6667A PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12