40 169 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
93708428924344950638912687	26	86.3	old
33338062268150447114812320923279689879	38	124.6	2016-09-09 21:34:11

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	702 / 4588

Estimated T-Level: 35.8 ⓘ

TF below 2^114 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	A7525DB700C06993	2	0	1	3
Verified	2017-09-21	Oliver Kruse	A7525DB700C06993	2	0	1	3
Verified	2017-11-06	kkmrkkblmbrbk	A7525DB700C06993	2	29456	1	3
Unverified	2020-04-17	Oliver Kruse	690BEDFD32C0D6__	2	4102	5	3

P-1 factors

Date	Factor	B1	B2
2016-09-09	33338062268150447114812320923279689879	100000000	2000000000

History

Date	User	Type	Result
2023-04-05	JacobZ	NF-PM1	B1=910000000, B2=710990691290880
2021-12-19	Lisander Viaene	NF-PM1	B1=1100000000
2021-12-17	Lisander Viaene	NF-PM1	B1=1000000000
2021-05-07	ATH	NF-PP1	Start=2/7, B1=100000000, B2=10000000000
2020-04-17	Oliver Kruse	C-PRP	M40169/93708428924344950638912687/33338062268150447114812320923279689879 : 690BEDFD32C0D6__ PRP without proof (small exponent)
2017-11-06	kkmrkkblmbrbk	C-PRP	M40169/93708428924344950638912687/33338062268150447114812320923279689879 : A7525DB700C06993 PRP without proof (small exponent)
2017-09-21	Oliver Kruse	C-PRP	M40169/93708428924344950638912687/33338062268150447114812320923279689879 : A7525DB700C06993 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M40169/93708428924344950638912687/33338062268150447114812320923279689879 : A7525DB700C06993 PRP without proof (not generated)
2016-09-09	kkmrkkblmbrbk	F-PM1	Factor: 33338062268150447114812320923279689879 / (P-1, B1=100000000, B2=2000000000, E=12)