2 300 563 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
993843217	9	29.9	old
5089496112298754218607	22	72.1	2021-04-27 01:25:28
2187201490848509639493518569753	31	100.8	2018-02-15 02:43:48

ECM

Digits	B1	Curves
25	50000	94 / 280

Estimated T-Level: 21.7 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-11	Oliver Kruse	57233E09DD82A32C	1	0	1	3
Verified (Factored)	2017-11-22	kkmrkkblmbrbk	57233E09DD82A32C	1	169899	1	3
Verified (Factored)	2018-02-16	alpertron	C59B3150129E852C	2	889169	5	3
Verified (Factored)	2018-02-17	Oliver Kruse	C59B3150129E852C	2	126743	5	3
Verified (Factored)	2018-02-17	AdolfNor	C59B3150129E852C	2	1866106	5	3
Verified	2021-04-27	mikr	C59B3150129E852C	3	544206	5	3
Verified	2021-04-27	XZT	C59B3150129E852C	3	897318	5	3

P-1 factors

Date	Factor	B1	B2
2018-02-15	2187201490848509639493518569753	500000	0

History

Date	User	Type	Result
2021-04-27	Simon Josefsson	CERT	PRP Certification Proof certified good
2021-04-27	XZT	C-PRP	M2300563/993843217/2187201490848509639493518569753/5089496112298754218607 : C59B3150129E852C PRP proof power = 7 PRP: Verified Proof certified good
2021-04-27	Ben Delo	CERT	PRP Certification Proof certified good
2021-04-27	mikr	C-PRP	M2300563/993843217/5089496112298754218607/2187201490848509639493518569753 : C59B3150129E852C PRP proof power = 7 PRP: Verified Proof certified good
2021-04-27	Dylan Delgado	F-PP1	Start=2/7, B1=2000000, B2=146000000, Factor: 5089496112298754218607
2021-04-04	ViliamF	NF-PM1	B1=5000000, B2=505000000
2018-02-22	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2018-02-17	AdolfNor	C-PRP	M2300563/993843217/2187201490848509639493518569753 : C59B3150129E852C PRP: Verified (Factored) PRP without proof (not generated)
2018-02-17	Oliver Kruse	C-PRP	M2300563/993843217/2187201490848509639493518569753 : C59B3150129E852C PRP: Verified (Factored) PRP without proof (not generated)
2018-02-16	alpertron	C-PRP	M2300563/993843217/2187201490848509639493518569753 : C59B3150129E852C PRP: Verified (Factored) PRP without proof (not generated)
2018-02-15	alpertron	F-PM1	Factor: 2187201490848509639493518569753 / (P-1, B1=500000)
2017-11-22	kkmrkkblmbrbk	C-PRP	M2300563/993843217 : 57233E09DD82A32C PRP: Verified (Factored) PRP without proof (not generated)
2017-10-11	Oliver Kruse	C-PRP	M2300563/993843217 : 57233E09DD82A32C PRP: Verified (Factored) PRP without proof (not generated)