2 520 769 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
355262058247	12	38.4	old
169240500609019362146354724646086073	36	117.0	2022-08-21 05:16:38

ECM

Digits	B1	Curves
25	50000	58 / 280

Estimated T-Level: 21.0 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-14	Oliver Kruse	C795FC320E107A6B	1	985518	5	3
Verified (Factored)	2017-12-01	kkmrkkblmbrbk	C795FC320E107A6B	1	1445166	5	3
Verified	2022-08-21	LordJulius	C795FC320E107A6B	2	440072	5	3

P-1 factors

Date	Factor	B1	B2
2022-08-21	169240500609019362146354724646086073	240000	199861200

History

Date	User	Type	Result
2022-08-21	GIMPS-PRIM	CERT	PRP Certification Proof certified good
2022-08-21	LordJulius	C-PRP	M2520769/355262058247/169240500609019362146354724646086073 : C795FC320E107A6B PRP proof power = 7 PRP: Verified Proof certified good
2022-08-21	USAFSS	F-PM1	Factor: 169240500609019362146354724646086073 / (P-1, B1=240000, B2=199861200)
2017-12-01	kkmrkkblmbrbk	C-PRP	M2520769/355262058247 : C795FC320E107A6B PRP: Verified (Factored) PRP without proof (not generated)
2017-10-14	Oliver Kruse	C-PRP	M2520769/355262058247 : C795FC320E107A6B PRP: Verified (Factored) PRP without proof (not generated)