7 974 041 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
1270075519658205637639	22	70.1	2012-06-26 07:24:43
68707931929349790615353	23	75.9	2021-05-12 07:01:29

ECM

Digits	B1	Curves
25	50000	16 / 280

Estimated T-Level: 20.3 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	1999-11-04	Jose Elias Nogueira	438ED0A9176CA3F3	3827331
Verified (Factored)	2003-01-09	Nate Larsen	438ED0A9176CA3F3	3683981

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-06-23	francijezek	46D9133F71E95EDE	1	942183	5	3
Verified (Factored)	2018-07-10	GunnarLu	46D9133F71E95EDE	1	3039467	5	3
Verified	2021-05-14	kutens	46D9133F71E95EDE	2	4995502	5	3

History

Date	User	Type	Result
2021-05-14	Ahmed Azhad	CERT	PRP Certification Proof certified good
2021-05-14	kutens	C-PRP	M7974041/1270075519658205637639/68707931929349790615353 : 46D9133F71E95EDE PRP proof power = 8 PRP: Verified Proof certified good
2021-05-12	firejuggler	F-PP1	Start=6/5, B1=500000, B2=26500000, Factor: 68707931929349790615353
2021-04-30	firejuggler	NF-PP1	Start=2/7, B1=500000, B2=26500000
2018-07-10	GunnarLu	C-PRP	M7974041/1270075519658205637639 : 46D9133F71E95EDE PRP: Verified (Factored) PRP without proof (not generated)
2018-06-23	francijezek	C-PRP	M7974041/1270075519658205637639 : 46D9133F71E95EDE PRP: Verified (Factored) PRP without proof (not generated)
2012-06-26	firejuggler	F-PM1	Factor: 1270075519658205637639