139 974 049 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

No factors below 2⁷⁷

TF target 2⁷⁷

P-1

B1 =	1191000
B2 =	1295197530

Status	Date	User	Residue	Shift	Type	Base
Verified	2025-09-02	S00030	D5D325428238FC74	0	1	3

History

Date	User	Type	Result
2025-09-04	Steven_Brehmer	CERT	PRP Certification CERT proof power = 9 Proof certified good
2025-09-02	S00030	C-PRP	D5D325428238FC74 PRP proof power = 9 PRP: Verified Proof certified good
2024-09-24	Luke Durant	NF-PM1	B1=1191000, B2=1295197530
2024-07-15	Luke Durant	NF	no factor from 2^76 to 2^77
2024-07-11	Luke Durant	NF	no factor from 2^75 to 2^76
2024-07-10	Joe S.	NF	no factor from 2^69 to 2^70
2024-07-10	Joe S.	NF	no factor from 2^68 to 2^69
2023-01-18	SRBase	NF	no factor from 2^74 to 2^75
2021-09-17	Neutron3529	NF	no factor from 2^73 to 2^74
2021-09-07	LordJulius	NF	no factor from 2^1 to 2^63
2020-10-27	SRBase	NF	no factor from 2^72 to 2^73
2017-02-21	d3zorg	NF	no factor from 2^71 to 2^72
2017-02-04	proxy2222	NF	no factor from 2^70 to 2^71
2016-08-30	Derek	NF	no factor from 2^69 to 2^70
2016-08-30	Derek	NF	no factor from 2^68 to 2^69
2016-08-17	johnsilver	NF	no factor from 2^67 to 2^68
2015-02-12	Mr-Plonk	NF	no factor from 2^66 to 2^67
2013-02-11	Ed Straker	NF	no factor from 2^65 to 2^66
2010-12-08	Thomas Stork	NF	no factor from 2^64 to 2^65
2010-06-24	Richard	NF	no factor from 2^63 to 2^64

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