1 844 827 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
62724119	8	25.9	old
271134224191	12	38.0	2008-07-15 07:47:19
17787702463003481	17	54.0	2014-10-24 11:40:40
4078602181761844735433	22	71.8	2015-08-25 12:29:17

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	106 / 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	2017-10-05	Oliver Kruse	B53042D9578F6D9A	4	0	1	3
Verified	2017-11-11	kkmrkkblmbrbk	B53042D9578F6D9A	4	413499	1	3

P-1 factors

Date	Factor	B1	B2
2015-08-25	4078602181761844735433	500000	15000000

History

Date	User	Type	Result
2017-11-11	kkmrkkblmbrbk	C-PRP	M1844827/62724119/271134224191/17787702463003481/4078602181761844735433 : B53042D9578F6D9A PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1844827/62724119/271134224191/17787702463003481/4078602181761844735433 : B53042D9578F6D9A PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1844827/62724119/271134224191/17787702463003481/4078602181761844735433 : B53042D9578F6D9A PRP without proof (not generated)
2015-08-25	alpertron	F-PM1	Factor: 4078602181761844735433 / (P-1, B1=500000, B2=15000000, E=12)
2014-10-24	TJAOI	F	Factor: 17787702463003481 / TF: 53-54
2008-07-15	J Feitsma	F	Factor: 271134224191