10 273 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
20103444507885213910207	23	74.1	old
660022991412043145437304657	27	89.1	2008-10-16 23:57:24

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1282 / 9201

Estimated T-Level: 40.7 ⓘ

TF below 2^130 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	4571A5EEB8807B19	2	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	4571A5EEB8807B19	2	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	4571A5EEB8807B19	2	5033	1	3
Unverified	2020-04-17	Oliver Kruse	844225920C63DB__	2	2747	5	3

P-1 factors

Date	Factor	B1	B2
2022-04-02	660022991412043145437304657	100000000000	121968084023145360

History

Date	User	Type	Result
2022-04-02	-Anonymous-	F-PM1	Factor: 660022991412043145437304657 / (P-1, B1=100000000000, B2=121968084023145360)
2021-08-01	ViliamF	NF-PM1	B1=250000000, B2=40250000000
2020-04-17	Oliver Kruse	C-PRP	M10273/20103444507885213910207/660022991412043145437304657 : 844225920C63DB__ PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M10273/20103444507885213910207/660022991412043145437304657 : 4571A5EEB8807B19 PRP without proof (not generated)
2017-10-02	kkmrkkblmbrbk	C-PRP	M10273/20103444507885213910207/660022991412043145437304657 : 4571A5EEB8807B19 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M10273/20103444507885213910207/660022991412043145437304657 : 4571A5EEB8807B19 PRP without proof (not generated)
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12
2008-10-16	-Anonymous-	F-ECM	Factor: 660022991412043145437304657