235 699 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
15084737	8	23.8	old
30640871	8	24.9	2008-07-21 09:14:35
377866045241767	15	48.4	2009-02-01 15:57:54
149267701264936738841989138951	30	96.9	2021-07-08 12:20:45
19147160999551770880152116423617	32	103.9	2021-02-05 07:56:44

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	480 / 640

Estimated T-Level: 28.8 ⓘ

TF below 2^91 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-22	Oliver Kruse	CB73B6710E02AF2F	3	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	CB73B6710E02AF2F	3	72908	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	5AA15B477EF333F5	3	184557	5	3
Verified (Factored)	2021-02-06	mrh	5AA15B477EF333F5	4	16239	5	3
Verified	2021-07-08	mnd9	5AA15B477EF333F5	5	175565	5	3
Verified	2021-07-09	LaurV	5AA15B477EF333F5	5	129368	5	3

P-1 factors

Date	Factor	B1	B2
2021-07-08	149267701264936738841989138951	30000000	3000000000

History

Date	User	Type	Result
2022-03-31	Oliver Kruse	NF-PM1	B1=30000000, B2=10120247026890
2021-07-09	OLAFE	CERT	PRP Certification Proof certified good
2021-07-09	LaurV	C-PRP	M235699/15084737/30640871/377866045241767/19147160999551770880152116423617/149267701264936738841989138951 : 5AA15B477EF333F5 PRP proof power = 5 PRP: Verified Proof certified good
2021-07-08	mnd9	C-PRP	M235699/15084737/30640871/377866045241767/149267701264936738841989138951/19147160999551770880152116423617 : 5AA15B477EF333F5 PRP: Verified PRP without proof (small exponent)
2021-07-08	Oliver Kruse	F-PM1	Factor: 149267701264936738841989138951 / (P-1, B1=30000000, B2=3000000000, E=24)
2021-02-06	Ben Delo	CERT	PRP Certification Proof certified good
2021-02-06	mrh	C-PRP	M235699/15084737/30640871/377866045241767/19147160999551770880152116423617 : 5AA15B477EF333F5 PRP proof power = 5 PRP: Verified (Factored) Proof certified good
2021-02-05	seatsea	F-ECM	Factor: 19147160999551770880152116423617 / (ECM curve 4, B1=250000, B2=38500000, Sigma=355860205482679)
2020-04-17	Oliver Kruse	C-PRP	M235699/15084737/30640871/377866045241767 : 5AA15B477EF333F5 PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M235699/15084737/30640871/377866045241767 : CB73B6710E02AF2F PRP: Verified PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M235699/15084737/30640871/377866045241767 : CB73B6710E02AF2F PRP: Verified PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M235699/15084737/30640871/377866045241767 : CB73B6710E02AF2F PRP without proof (not generated)
2009-02-01	Matthias Wurtinger	F-ECM	Factor: 377866045241767
2008-07-21	J Feitsma	F	Factor: 30640871