1 672 651 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
25762170703	11	34.6	old
273257728853990166449	21	67.9	2019-03-19 05:15:19

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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-02	Oliver Kruse	5F27B326AE5AF173	1	0	1	3
Verified (Factored)	2017-11-03	kkmrkkblmbrbk	5F27B326AE5AF173	1	1476321	1	3
Verified	2019-03-21	-Anonymous-	E787235D78EE04CD	2	1540840	5	3
Verified	2019-03-22	kkmrkkblmbrbk	E787235D78EE04CD	2	733717	5	3

History

Date	User	Type	Result
2019-03-22	kkmrkkblmbrbk	C-PRP	M1672651/25762170703/273257728853990166449 : E787235D78EE04CD PRP: Verified PRP without proof (not generated)
2019-03-21	-Anonymous-	C-PRP	M1672651/25762170703/273257728853990166449 : E787235D78EE04CD PRP: Verified PRP without proof (not generated)
2019-03-19	Chang Chia-Tche	F-ECM	Factor: 273257728853990166449 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-03	kkmrkkblmbrbk	C-PRP	M1672651/25762170703 : 5F27B326AE5AF173 PRP: Verified PRP without proof (not generated)
2017-10-02	Oliver Kruse	C-PRP	M1672651/25762170703 : 5F27B326AE5AF173 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12