2 919 853 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
287193371569639	15	48.0	old
601014184714338519536068475393	30	98.9	2019-05-23 04:29:46

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	Oliver Kruse	116123D438776E7C	1	0	1	3
Verified (Factored)	2017-12-09	kkmrkkblmbrbk	116123D438776E7C	1	2127955	1	3
Verified	2019-05-28	Daniil Tsarkov	0DB9201B0CE35BF7	2	1121076	5	3
Verified	2019-07-16	kkmrkkblmbrbk	0DB9201B0CE35BF7	2	2835597	5	3
Verified	2020-01-11	USAFSS	0DB9201B0CE35BF7	2	1682464	5	3
Verified	2020-05-19	Oliver Kruse	0DB9201B0CE35BF7	2	2513400	5	3
Verified	2021-03-07	mrh	0DB9201B0CE35BF7	2	973680	5	3

P-1 factors

Date	Factor	B1	B2
2019-05-23	601014184714338519536068475393	30000	300000
2019-05-23	601014184714338519536068475393	30000	300000
2019-05-23	601014184714338519536068475393	30000	300000
2019-05-28	287193371569639	10000	250000

History

Date	User	Type	Result
2023-02-07	USAFSS	NF-PM1	B1=360000, B2=282695490
2021-03-07	Ben Delo	CERT	PRP Certification Proof certified good
2021-03-07	mrh	C-PRP	M2919853/287193371569639/601014184714338519536068475393 : 0DB9201B0CE35BF7 PRP proof power = 7 PRP: Verified Proof certified good
2020-05-19	Oliver Kruse	C-PRP	M2919853/287193371569639/601014184714338519536068475393 : 0DB9201B0CE35BF7 PRP: Verified PRP without proof (not generated)
2020-01-11	USAFSS	C-PRP	M2919853/287193371569639/601014184714338519536068475393 : 0DB9201B0CE35BF7 PRP: Verified PRP without proof (not generated)
2019-07-16	kkmrkkblmbrbk	C-PRP	M2919853/287193371569639/601014184714338519536068475393 : 0DB9201B0CE35BF7 PRP: Verified PRP without proof (not generated)
2019-05-28	Daniil Tsarkov	F-PM1	Factor: 287193371569639 / (P-1, B1=10000, B2=250000, e=6, n=160K CUDAPm1 v0.22)
2019-05-28	Daniil Tsarkov	C-PRP	M2919853/287193371569639/601014184714338519536068475393 : 0DB9201B0CE35BF7 PRP: Verified PRP without proof (not generated)
2019-05-23	Joss	F-PM1	Factor: 601014184714338519536068475393 / (P-1, B1=30000, B2=300000)
2017-12-09	kkmrkkblmbrbk	C-PRP	M2919853/287193371569639 : 116123D438776E7C PRP: Verified PRP without proof (not generated)
2017-09-20	Oliver Kruse	C-PRP	M2919853/287193371569639 : 116123D438776E7C PRP: Verified PRP without proof (not generated)