2 237 771 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
286434689	9	28.1	old
13639361629614157962761	23	73.5	2022-10-24 02:52:35

ECM

Digits	B1	Curves
25	50000	85 / 280

Estimated T-Level: 21.5 ⓘ

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)	2017-10-10	Oliver Kruse	6D824C9E737CEEFD	1	0	1	3
Verified (Factored)	2017-11-20	kkmrkkblmbrbk	6D824C9E737CEEFD	1	1617907	1	3
Verified	2022-10-24	Kevin_9611	910C97FE0DB6E421	2	1880496	5	3

History

Date	User	Type	Result
2022-10-24	curtisc	CERT	PRP Certification Proof certified good
2022-10-24	Kevin_9611	C-PRP	M2237771/286434689/13639361629614157962761 : 910C97FE0DB6E421 PRP proof power = 7 PRP: Verified Proof certified good
2022-10-24	_p95holder_	F-ECM	Factor: 13639361629614157962761 / (ECM curve 4, B1=50000, B2=5000000)
2017-11-20	kkmrkkblmbrbk	C-PRP	M2237771/286434689 : 6D824C9E737CEEFD PRP: Verified (Factored) PRP without proof (not generated)
2017-10-10	Oliver Kruse	C-PRP	M2237771/286434689 : 6D824C9E737CEEFD PRP: Verified (Factored) PRP without proof (not generated)
2016-04-21	alpertron	NF-PM1	B1=500000, B2=15000000, E=12