2 683 063 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 4 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
91224143	8	26.4	old
3198211097	10	31.6	2008-09-07 19:40:55
19673878608576103	17	54.1	2014-11-04 12:53:26
104921774386928306089	21	66.5	2020-04-29 10:13:58

ECM

Digits	B1	Curves
25	50000	77 / 280

Estimated T-Level: 21.4 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-19	Oliver Kruse	08AA19D6DCE7BAF7	3	2254057	5	3
Verified (Factored)	2017-12-03	kkmrkkblmbrbk	08AA19D6DCE7BAF7	3	2121103	5	3
Verified	2020-04-29	M Miller	08AA19D6DCE7BAF7	4	929728	5	3

History

Date	User	Type	Result
2022-06-15	LordJulius	NF	no factor from 2^65 to 2^66
2022-06-15	LordJulius	NF	no factor from 2^64 to 2^65
2022-06-15	LordJulius	NF	no factor from 2^63 to 2^64
2022-06-15	LordJulius	NF	no factor from 2^62 to 2^63
2020-04-29	M Miller	C-PRP	M2683063/91224143/3198211097/19673878608576103/104921774386928306089 : 08AA19D6DCE7BAF7 PRP: Verified PRP without proof (not generated)
2020-04-29	TJAOI	F	Factor: 104921774386928306089 / TF: 66-67
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-03	kkmrkkblmbrbk	C-PRP	M2683063/91224143/3198211097/19673878608576103 : 08AA19D6DCE7BAF7 PRP: Verified PRP without proof (not generated)
2017-10-19	Oliver Kruse	C-PRP	M2683063/91224143/3198211097/19673878608576103 : 08AA19D6DCE7BAF7 PRP: Verified PRP without proof (not generated)
2014-11-04	TJAOI	F	Factor: 19673878608576103 / TF: 54-55
2008-09-07	Will Edgington	F	Factor: 3198211097