1 117 013 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
5238908312743064666547601	25	82.1	2018-02-23 11:29:58
240850152850568639479079156393	30	97.6	2015-03-12 13:12:10

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Tom Cage	763AD3C7513EED1E	0
Verified (Factored)		Roland Anderson	763AD3C7513EED1E	0
Verified (Factored)	2004-03-01	Brian J. Beesley	763AD3C7513EED1E	627129

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-29	Oliver Kruse	D8FD492F49BD6530	1	0	1	3
Verified (Factored)	2017-10-16	Oliver Kruse	D8FD492F49BD6530	1	608418	1	3
Verified (Factored)	2018-01-02	ATH	D8FD492F49BD6530	1	586245	1	3
Verified	2018-02-26	marcomich	3ACD66189191379C	2	185773	5	3
Verified	2018-02-28	Oliver Kruse	3ACD66189191379C	2	1056520	5	3
Verified	2018-03-07	AdolfNor	3ACD66189191379C	2	69690	5	3

P-1 factors

Date	Factor	B1	B2
2015-03-12	240850152850568639479079156393	5000000	0

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^59 to 2^60
2018-03-07	AdolfNor	C-PRP	M1117013/5238908312743064666547601/240850152850568639479079156393 : 3ACD66189191379C PRP: Verified PRP without proof (not generated)
2018-02-28	Oliver Kruse	C-PRP	M1117013/240850152850568639479079156393/5238908312743064666547601 : 3ACD66189191379C PRP: Verified PRP without proof (not generated)
2018-02-26	marcomich	C-PRP	M1117013/240850152850568639479079156393/5238908312743064666547601 : 3ACD66189191379C PRP: Verified PRP without proof (not generated)
2018-02-23	TJAOI	F-ECM	Factor: 5238908312743064666547601 / (ECM curve 1, B1=50000, B2=5000000)
2018-01-02	ATH	C-PRP	M1117013/240850152850568639479079156393 : D8FD492F49BD6530 PRP: Verified PRP without proof (not generated)
2017-10-16	Oliver Kruse	C-PRP	M1117013/240850152850568639479079156393 : D8FD492F49BD6530 PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1117013/240850152850568639479079156393 : D8FD492F49BD6530 PRP: Verified PRP without proof (not generated)
2015-03-12	mikr	F-PM1	Factor: 240850152850568639479079156393 / (P-1, B1=5000000)
2014-12-31	lycorn	NF	no factor from 2^64 to 2^65
2014-12-22	Matthias Wurtinger	NF	no factor from 2^63 to 2^64
2014-03-31	Joss	NF-PM1	B1=500000
2012-10-13	dbaugh	NF	no factor from 2^62 to 2^63
2011-05-09	Xyzzy	NF	no factor from 2^61 to 2^62
2009-02-14	Sturle Sunde	NF	no factor from 2^60 to 2^61