3 510 883 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
35108831	8	25.1	old
72183754481	11	36.1	2008-09-07 19:49:40
13227479359544106645824591039	29	93.4	2019-12-12 12:59:32

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-08	Oliver Kruse	A73D60233664EE35	2	2674532	5	3
Verified (Factored)	2017-12-17	kkmrkkblmbrbk	A73D60233664EE35	2	1679144	5	3
Verified	2019-12-13	mnd9	A73D60233664EE35	3	2718243	5	3
Verified	2019-12-15	ANONYMOUS	A73D60233664EE35	3	3428377	5	3

P-1 factors

Date	Factor	B1	B2
2019-12-12	13227479359544106645824591039	100000	300000

History

Date	User	Type	Result
2022-09-09	Joss	NF-PM1	B1=1000000, B2=235593540
2022-03-26	Joss	NF-PM1	B1=1000000, B2=147585900
2022-01-31	Joss	NF	no factor from 2^67 to 2^68
2020-08-04	Joss	NF-PM1	B1=351088, B2=3510883, E=6
2020-08-03	Joss	NF-PM1	B1=351088
2019-12-15	ANONYMOUS	C-PRP	M3510883/35108831/72183754481/13227479359544106645824591039 : A73D60233664EE35 PRP: Verified PRP without proof (not generated)
2019-12-13	mnd9	C-PRP	M3510883/35108831/72183754481/13227479359544106645824591039 : A73D60233664EE35 PRP: Verified PRP without proof (not generated)
2019-12-12	Joss	F-PM1	Factor: 13227479359544106645824591039 / (P-1, B1=100000, B2=300000)
2017-12-17	kkmrkkblmbrbk	C-PRP	M3510883/35108831/72183754481 : A73D60233664EE35 PRP: Verified PRP without proof (not generated)
2017-11-08	Oliver Kruse	C-PRP	M3510883/35108831/72183754481 : A73D60233664EE35 PRP: Verified PRP without proof (not generated)
2008-09-07	Will Edgington	F	Factor: 72183754481