6 968 587 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
112734734307721	15	46.7	old
1655995255850859983	19	60.5	2016-02-15 12:11:53
221986965039079684678557623	27	87.5	2024-01-02 19:37:58

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-01-29	Oliver Kruse	84AD33FF483EFB2A	2	3452486	5	3
Verified (Factored)	2019-02-14	kkmrkkblmbrbk	84AD33FF483EFB2A	2	4398853	5	3
Verified	2024-01-05	Naegi Makoto	84AD33FF483EFB2A	3	3763952	5	3

P-1 factors

Date	Factor	B1	B2
2024-01-02	221986965039079684678557623	600000	1280476890

History

Date	User	Type	Result
2024-01-05	LOBES	CERT	PRP Certification Proof certified good
2024-01-05	Naegi Makoto	C-PRP	M6968587/112734734307721/1655995255850859983/221986965039079684678557623 : 84AD33FF483EFB2A PRP proof power = 8 PRP: Verified Proof certified good
2024-01-02	Stef42	F-PM1	Factor: 221986965039079684678557623 / (P-1, B1=600000, B2=1280476890)
2019-02-14	kkmrkkblmbrbk	C-PRP	M6968587/112734734307721/1655995255850859983 : 84AD33FF483EFB2A PRP: Verified (Factored) PRP without proof (not generated)
2018-01-29	Oliver Kruse	C-PRP	M6968587/112734734307721/1655995255850859983 : 84AD33FF483EFB2A PRP: Verified (Factored) PRP without proof (not generated)
2016-02-15	TJAOI	F	Factor: 1655995255850859983 / TF: 60-61