1 513 667 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
121093361	9	26.9	old
412326365383545891401	21	68.5	2019-05-31 10:28:36
652712938161377980736807	24	79.1	2017-11-28 04:13:43

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)	2017-10-01	Oliver Kruse	4C93B6E549DE1ABD	1	0	1	3
Verified (Factored)	2017-10-29	kkmrkkblmbrbk	4C93B6E549DE1ABD	1	611441	1	3
Verified (Factored)	2017-11-29	kkmrkkblmbrbk	F6BE61B3A59D1636	2	1505411	5	3
Verified (Factored)	2017-11-29	Oliver Kruse	F6BE61B3A59D1636	2	943146	5	3
Verified	2019-06-04	vnatin	F6BE61B3A59D1636	3	1370402	5	3

History

Date	User	Type	Result
2021-07-24	Dylan Delgado	NF-PM1	B1=3000000, B2=273000000
2019-06-04	vnatin	C-PRP	M1513667/121093361/652712938161377980736807/412326365383545891401 : F6BE61B3A59D1636 PRP: Verified PRP without proof (not generated)
2019-05-31	TJAOI	F-ECM	Factor: 412326365383545891401 / (ECM curve 40, B1=50000, B2=5000000)
2017-11-29	Oliver Kruse	C-PRP	M1513667/121093361/652712938161377980736807 : F6BE61B3A59D1636 PRP: Verified PRP without proof (not generated)
2017-11-29	kkmrkkblmbrbk	C-PRP	M1513667/121093361/652712938161377980736807 : F6BE61B3A59D1636 PRP: Verified PRP without proof (not generated)
2017-11-28	ATH	F-ECM	Factor: 652712938161377980736807 / (ECM curve 3, B1=50000, B2=5000000)
2017-10-29	kkmrkkblmbrbk	C-PRP	M1513667/121093361 : 4C93B6E549DE1ABD PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1513667/121093361 : 4C93B6E549DE1ABD PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12