2 070 179 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
13948866103	11	33.7	old
2456014196467943	16	51.1	2014-06-18 11:32:08
74352321619849666335119	23	76.0	2023-01-27 04:00:36

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	108 / 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)	2017-10-06	Oliver Kruse	A3B72092E8D2EF9C	2	0	1	3
Verified (Factored)	2017-11-16	ATH	A3B72092E8D2EF9C	2	313265	1	3
Verified	2023-01-28	_p95holder_	6F2A17D8BFBC7246	3	616049	5	3
Verified	2023-02-01	rucio	6F2A17D8BFBC7246	3	1462841	5	3

History

Date	User	Type	Result
2023-02-01	curtisc	CERT	PRP Certification Proof certified good
2023-02-01	rucio	C-PRP	M2070179/13948866103/2456014196467943/74352321619849666335119 : 6F2A17D8BFBC7246 PRP proof power = 7 PRP: Verified Proof certified good
2023-01-28	_p95holder_	C-PRP	M2070179/13948866103/2456014196467943/74352321619849666335119 : 6F2A17D8BFBC7246 PRP: Verified PRP without proof (not generated)
2023-01-27	_p95holder_	F-ECM	Factor: 74352321619849666335119 / (ECM curve 5, B1=50000, B2=5000000)
2017-11-16	ATH	C-PRP	M2070179/13948866103/2456014196467943 : A3B72092E8D2EF9C PRP: Verified PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2070179/13948866103/2456014196467943 : A3B72092E8D2EF9C PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-06-18	TJAOI	F	Factor: 2456014196467943