10 103 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
2804693831	10	31.4	old
1939324478385046894380209689	28	90.6	2008-10-16 23:57:24
19796231630999809647666253776369133577441	41	133.9	2016-10-23 15:19:45

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	2017-09-20	kkmrkkblmbrbk	94DB7748EAAE73F1	3	0	1	3
Verified	2017-09-25	George Woltman	94DB7748EAAE73F1	3	9137	1	3
Verified	2017-10-02	kkmrkkblmbrbk	94DB7748EAAE73F1	3	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	94DB7748EAAE73F1	3	1939	1	3
Unverified	2020-04-17	Oliver Kruse	D73E03755BD74A__	3	4633	5	3

P-1 factors

Date	Factor	B1	B2
2016-10-23	19796231630999809647666253776369133577441	10000000000	306764257707616

History

Date	User	Type	Result
2022-04-23	-Anonymous-	NF-PM1	B1=1000000000000, B2=1401193798255070820
2022-02-05	-Anonymous-	NF-PM1	B1=100000000000, B2=120626368428886320
2020-04-17	Oliver Kruse	C-PRP	M10103/2804693831/1939324478385046894380209689/19796231630999809647666253776369133577441 : D73E03755BD74A__ PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M10103/2804693831/1939324478385046894380209689/19796231630999809647666253776369133577441 : 94DB7748EAAE73F1 PRP without proof (not generated)
2017-10-02	kkmrkkblmbrbk	C-PRP	M10103/2804693831/1939324478385046894380209689/19796231630999809647666253776369133577441 : 94DB7748EAAE73F1 PRP without proof (not generated)
2017-09-25	George Woltman	C-PRP	M10103/known_factors : 94DB7748EAAE73F1 PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M10103/2804693831/1939324478385046894380209689/19796231630999809647666253776369133577441 : 94DB7748EAAE73F1 PRP without proof (not generated)
2016-10-23	kkmrkkblmbrbk	F-PM1	Factor: 107675888780881526412534253592573966707056673272997133564111312995139830837519 / (P-1, B1=10000000000, B2=306764257707616)
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=10000000000, E=12
2008-10-16	-Anonymous-	F-ECM	Factor: 1939324478385046894380209689