1 999 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
1807097	7	20.8	old
631388687840018727119	21	69.1	old
63252453025264598101995353	26	85.7	old
5347162249018972109619200063610257	34	112.0	old
1835925785367240799404436249922514003983	40	130.4	old
7452018296729329082588085050101877014364039300287	49	162.4	2020-09-02 19:21:43

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-21	Oliver Kruse	30D88AA860409147	5	0	1	3
Verified (Factored)	2017-10-02	kkmrkkblmbrbk	30D88AA860409147	5	0	1	3
Verified (Factored)	2017-12-07	ATH	30D88AA860409147	5	1604	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	8CB9209D417BFF03	5	969	5	3
Verified (Factored)	2020-08-12	_p95holder_	8CB9209D417BFF03	5	854	5	3
Verified	2020-09-04	atrench	PRP_PRP_PRP_PRP_	6	945	1	3
Verified	2020-09-04	atrench	PRP_PRP_PRP_PRP_	6	1779	1	3

History

Date	User	Type	Result
2020-09-04	atrench	P-PRP	M1999/1807097/631388687840018727119/63252453025264598101995353/5347162249018972109619200063610257/1835925785367240799404436249922514003983/7452018296729329082588085050101877014364039300287 is a probable prime.
2020-09-04	atrench	P-PRP	M1999/1807097/631388687840018727119/63252453025264598101995353/5347162249018972109619200063610257/1835925785367240799404436249922514003983/7452018296729329082588085050101877014364039300287 is a probable prime.
2020-09-02	Ryan Propper	F-ECM	Factor: 7452018296729329082588085050101877014364039300287 / (ECM curve 1, B1=850000000, B2=15892628251516, Sigma=3085684570545921953)
2020-08-12	_p95holder_	C-PRP	M1999/1807097/631388687840018727119/63252453025264598101995353/5347162249018972109619200063610257/1835925785367240799404436249922514003983 : 8CB9209D417BFF03 PRP: Verified PRP without proof (small exponent)
2020-04-17	Oliver Kruse	C-PRP	M1999/1807097/631388687840018727119/63252453025264598101995353/5347162249018972109619200063610257/1835925785367240799404436249922514003983 : 8CB9209D417BFF03 PRP: Verified PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M1999/1807097/631388687840018727119/63252453025264598101995353/5347162249018972109619200063610257/1835925785367240799404436249922514003983 : 30D88AA860409147 PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M1999/1807097/631388687840018727119/63252453025264598101995353/5347162249018972109619200063610257/1835925785367240799404436249922514003983 : 30D88AA860409147 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M1999/known_factors : 30D88AA860409147 PRP without proof (not generated)
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=1000000000, B2=100000000000, E=12