199 999 963 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

No factors below 2⁷⁹

TF target 2⁷⁹

P-1

B1 =	1015000
B2 =	203042280

Status	Date	User	Residue	Shift	Type	Base
Verified	2020-02-22	mrh	6A1F6BB5A926278A	0	1	3
Verified	2023-10-19	Kriesel	6A1F6BB5A926278A	166884363	1	3

History

Date	User	Type	Result
2023-10-19	twmoss	CERT	PRP Certification CERT proof power = 10 Proof certified good
2023-10-19	Kriesel	C-PRP	6A1F6BB5A926278A PRP proof power = 10 PRP: Verified Proof certified good
2023-05-18	Kriesel	NF-PM1	B1=1015000, B2=203042280
2023-03-07	Mark Rose	NF	no factor from 2^78 to 2^79
2023-03-07	Mark Rose	NF	no factor from 2^77 to 2^78
2020-02-22	mrh	C-PRP	6A1F6BB5A926278A PRP: Verified PRP without proof (not generated)
2020-01-19	mrh	NF	no factor from 2^76 to 2^77
2020-01-18	mrh	NF-PM1	B1=1000000, B2=20000000
2019-11-17	ViliamF	NF	no factor from 2^75 to 2^76
2019-09-06	Yves de Wandelaar	NF	no factor from 2^74 to 2^75
2018-12-20	Neutron3529	NF	no factor from 2^67 to 2^68
2018-12-20	Neutron3529	NF	no factor from 2^66 to 2^67
2018-12-20	Neutron3529	NF	no factor from 2^65 to 2^66
2018-12-20	Neutron3529	NF	no factor from 2^64 to 2^65
2018-12-20	Neutron3529	NF	no factor from 2^64 to 2^68
2016-07-14	Adam Buran	NF	no factor from 2^73 to 2^74
2011-06-02	KarlMJ	NF	no factor from 2^70 to 2^73
2011-06-02	KarlMJ	NF	no factor from 2^69 to 2^70
2011-06-02	KarlMJ	NF	no factor from 2^67 to 2^69
2010-05-02	rudimeier	NF	no factor from 2^66 to 2^67
2010-05-02	rudimeier	NF	no factor from 2^65 to 2^66

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