1 704 119 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
24978976303	11	34.5	old
1526876991049	13	40.5	2008-07-15 07:45:34
39770565762905521	17	55.1	2015-01-08 13:42:13
65944180143955153	17	55.9	2015-02-20 12:04:32

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	2017-10-05	Oliver Kruse	0F6AD65A9A435CAF	4	0	1	3
Verified	2017-11-10	kkmrkkblmbrbk	0F6AD65A9A435CAF	4	1697717	1	3

History

Date	User	Type	Result
2017-11-10	kkmrkkblmbrbk	C-PRP	M1704119/24978976303/1526876991049/39770565762905521/65944180143955153 : 0F6AD65A9A435CAF PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1704119/24978976303/1526876991049/39770565762905521/65944180143955153 : 0F6AD65A9A435CAF PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1704119/24978976303/1526876991049/39770565762905521/65944180143955153 : 0F6AD65A9A435CAF PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2015-02-20	TJAOI	F	Factor: 65944180143955153 / TF: 55-56
2015-01-08	TJAOI	F	Factor: 39770565762905521 / TF: 55-56
2008-07-15	J Feitsma	F	Factor: 1526876991049