5 008 483 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
745582073187631800721	21	69.3	2020-08-25 04:50:33

ECM

Digits	B1	Curves
25	50000	9 / 280

Estimated T-Level: 20.2 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		John Schuster	CB25607C5D504715	0
Verified (Factored)	2000-07-12	Alastair Knox	CB25607C5D504715	4029717

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-08-28	ViliamF	25823FFEF4D65A79	1	3558032	5	3

History

Date	User	Type	Result
2020-08-28	George Woltman	CERT	PRP Certification Proof certified good
2020-08-28	ViliamF	C-PRP	M5008483/745582073187631800721 : 25823FFEF4D65A79 PRP proof power = 7 PRP: Verified Proof certified good
2020-08-25	Smok_bmv	F	Factor: 745582073187631800721 / TF: 69-70*
2020-08-25	Smok_bmv	NF	no factor from 2^68 to 2^69
2018-07-06	mikr	NF-PM1	B1=3600000, B2=120000000, E=12
2017-10-23	mikr	NF	no factor from 2^67 to 2^68
2016-12-02	Squeeky_Squirrel	NF-PM1	B1=300000, B2=9375000, E=12
2016-05-13	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^63
2015-07-23	snme2pm1	NF	no factor from 2^65 to 2^66
2014-11-10	Joss	NF-PM1	B1=67815
2014-08-29	lycorn	NF	no factor from 2^64 to 2^65
2014-08-26	kracker	NF	no factor from 2^63 to 2^64
2009-06-20	USAFSS	NF-PM1	B1=55000, B2=907500, E=6