31 327 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
64972199	8	26.0	old
132717395548777697201387407	27	86.8	2015-06-20 11:34:38
323925290824739231872617894688159	33	108.0	2017-06-05 07:38:37

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	1620 / 4588

Estimated T-Level: 36.8 ⓘ

TF below 2^117 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	9DD1DFCBC248B369	3	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	9DD1DFCBC248B369	3	0	1	3
Verified	2017-12-07	ATH	9DD1DFCBC248B369	3	1419	1	3
Unverified	2020-04-17	Oliver Kruse	CA70BF0D1132EC__	3	4235	5	3

History

Date	User	Type	Result
2022-11-07	nordi	NF-PM1	B1=3000000000, B2=912626498753970
2022-09-25	nordi	NF-PM1	B1=3000000000
2020-04-17	Oliver Kruse	C-PRP	M31327/64972199/132717395548777697201387407/323925290824739231872617894688159 : CA70BF0D1132EC__ PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M31327/64972199/132717395548777697201387407/323925290824739231872617894688159 : 9DD1DFCBC248B369 PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M31327/64972199/132717395548777697201387407/323925290824739231872617894688159 : 9DD1DFCBC248B369 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M31327/64972199/132717395548777697201387407/323925290824739231872617894688159 : 9DD1DFCBC248B369 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M31327/64972199/132717395548777697201387407/323925290824739231872617894688159 : 9DD1DFCBC248B369 PRP without proof (not generated)
2017-06-05	nordi	F-ECM	Factor: 323925290824739231872617894688159 / (ECM curve 366, B1=1000000, B2=100000000)
2016-10-08	kkmrkkblmbrbk	NF-PM1	B1=200000000, B2=5000000000, E=12
2015-06-20	James Hintz	F-ECM	Factor: 132717395548777697201387407 / (ECM curve 62, B1=250000, B2=25000000)