1 725 593 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
446127673409034604303	21	68.6	2020-06-01 14:16:39
602191870770744066487	21	69.0	2008-07-08 15:51:55

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 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)		Martin Eibl	64F69C4E0AF64BED	0
Verified (Factored)	1998-12-06	BitBucket	64F69C4E0AF64BED	1663210

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-30	alpertron	8ACBE66AE660FCE5	1	0	1	3
Verified (Factored)	2017-10-19	Oliver Kruse	8ACBE66AE660FCE5	1	37417	1	3
Verified	2020-06-02	Klaus Nordmann	8C786BCFAD0C9994	2	1283533	5	3
Verified	2020-06-03	marssystems	8C786BCFAD0C9994	2	686921	5	3

History

Date	User	Type	Result
2020-06-03	marssystems	C-PRP	M1725593/602191870770744066487/446127673409034604303 : 8C786BCFAD0C9994 PRP: Verified PRP without proof (not generated)
2020-06-02	Klaus Nordmann	C-PRP	M1725593/602191870770744066487/446127673409034604303 : 8C786BCFAD0C9994 PRP: Verified PRP without proof (not generated)
2020-06-01	TJAOI	F-ECM	Factor: 446127673409034604303 / (ECM curve 34, B1=50000, B2=5000000)
2017-10-19	Oliver Kruse	C-PRP	M1725593/602191870770744066487 : 8ACBE66AE660FCE5 PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M1725593/602191870770744066487 : 8ACBE66AE660FCE5 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-07-08	James Heinrich	F-ECM	Factor: 602191870770744066487