3 852 553 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
1357539510823	13	40.3	old
4834893931894017097881869427471606748697	40	131.8	2022-05-30 14:36:55

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)	2017-09-20	kkmrkkblmbrbk	BEDF1A2F97B2357A	1	0	1	3
Verified (Factored)	2017-12-21	Chang Chia-Tche	BEDF1A2F97B2357A	1	3063515	1	3
Verified	2022-06-05	y-omori	02434E196B71FD9F	2	1709287	5	3

P-1 factors

Date	Factor	B1	B2
2022-05-30	4834893931894017097881869427471606748697	200000	130364850

History

Date	User	Type	Result
2022-07-17	Joss	NF-PM1	B1=3852553, B2=3891751500
2022-06-05	curtisc	CERT	PRP Certification Proof certified good
2022-06-05	y-omori	C-PRP	M3852553/1357539510823/4834893931894017097881869427471606748697 : 02434E196B71FD9F PRP proof power = 7 PRP: Verified Proof certified good
2022-05-30	Joss	F-PM1	Factor: 4834893931894017097881869427471606748697 / (P-1, B1=200000, B2=130364850)
2022-04-17	Joss	NF-PM1	B1=200000
2017-12-21	Chang Chia-Tche	C-PRP	M3852553/1357539510823 : BEDF1A2F97B2357A PRP: Verified (Factored) PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M3852553/1357539510823 : BEDF1A2F97B2357A PRP: Verified (Factored) PRP without proof (not generated)