10 903 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
40668191	8	25.3	old
172435994691723738676913111423258641	36	117.1	2015-04-13 22:35:26

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1592 / 9201

Estimated T-Level: 40.9 ⓘ

TF below 2^131 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	3A0C513B5C818798	2	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	3A0C513B5C818798	2	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	3A0C513B5C818798	2	10349	1	3
Unverified	2020-04-17	Oliver Kruse	276F645F30DA52__	2	1590	5	3

P-1 factors

Date	Factor	B1	B2
2022-12-29	172435994691723738676913111423258641	100000000000	122192573512709696

History

Date	User	Type	Result
2022-12-29	-Anonymous-	F-PM1	Factor: 172435994691723738676913111423258641 / (P-1, B1=100000000000, B2=122192573512709700)
2020-04-17	Oliver Kruse	C-PRP	M10903/40668191/172435994691723738676913111423258641 : 276F645F30DA52__ PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M10903/40668191/172435994691723738676913111423258641 : 3A0C513B5C818798 PRP without proof (not generated)
2017-10-02	kkmrkkblmbrbk	C-PRP	M10903/40668191/172435994691723738676913111423258641 : 3A0C513B5C818798 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M10903/40668191/172435994691723738676913111423258641 : 3A0C513B5C818798 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M10903/40668191/172435994691723738676913111423258641 : 3A0C513B5C818798 PRP without proof (not generated)
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12