139 624 187 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 =	956000
B2 =	235733850

Status	Date	User	Residue	Shift	Type	Base
Verified	2025-07-30	JohnnyBGood	12CBE67740F131B3	52372488	1	3

History

Date	User	Type	Result
2025-07-30	G.de Groot	CERT	PRP Certification CERT proof power = 10 Proof certified good
2025-07-30	JohnnyBGood	C-PRP	12CBE67740F131B3 PRP proof power = 10 PRP: Verified Proof certified good
2024-09-26	Chuck	NF-PM1	B1=956000, B2=235733850
2024-08-19	ihnl	NF	no factor from 2^76 to 2^77
2024-07-29	Wentao Huang	NF	no factor from 2^69 to 2^70
2024-07-29	Wentao Huang	NF	no factor from 2^68 to 2^69
2024-07-14	SRBase	NF	no factor from 2^75 to 2^76
2024-06-01	James Heinrich	NF	no factor from 2^70 to 2^71
2023-01-16	SRBase	NF	no factor from 2^74 to 2^75
2021-08-05	SRBase	NF	no factor from 2^73 to 2^74
2020-10-25	SRBase	NF	no factor from 2^72 to 2^73
2016-08-30	NoWhereMan	NF	no factor from 2^71 to 2^72
2016-08-29	Conductor	NF	no factor from 2^70 to 2^71
2016-08-24	Derek	NF	no factor from 2^69 to 2^70
2016-08-24	Derek	NF	no factor from 2^68 to 2^69
2016-05-03	proxy2222	NF	no factor from 2^67 to 2^68
2015-02-12	el grocco	NF	no factor from 2^66 to 2^67
2012-11-24	tsc	NF	no factor from 2^65 to 2^66
2010-12-07	-Anonymous-	NF	no factor from 2^64 to 2^65
2010-06-13	Mr-Plonk	NF	no factor from 2^63 to 2^64

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