170 704 943 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁶

TF target 2⁷⁸

P-1

B1 =	1446000
B2 =	1215931860

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-11-26	curtisc	65BC9BD5029F0D2C	72179914	1	3

History

Date	User	Type	Result
2024-11-27	ANONYMOUS	CERT	PRP Certification CERT proof power = 8 Proof certified good
2024-11-26	curtisc	C-PRP	65BC9BD5029F0D2C PRP proof power = 8 PRP: Verified Proof certified good
2024-10-04	Luke Durant	NF-PM1	B1=1446000, B2=1215931860
2024-09-22	SRBase	NF	no factor from 2^75 to 2^76
2023-03-16	SRBase	NF	no factor from 2^74 to 2^75
2021-12-21	SRBase	NF	no factor from 2^73 to 2^74
2019-03-02	ITS	NF	no factor from 2^72 to 2^73
2019-02-26	bayanne	NF	no factor from 2^71 to 2^72
2018-09-07	Zenghui	NF	no factor from 2^70 to 2^71
2018-08-12	proxy2222	NF	no factor from 2^69 to 2^70
2017-05-06	Xolotl	NF	no factor from 2^68 to 2^69
2016-04-10	XZT	NF	no factor from 2^67 to 2^68
2015-06-15	tsc	NF	no factor from 2^66 to 2^67
2013-04-04	Richard	NF	no factor from 2^65 to 2^66
2011-04-06	Kevin Jaget	NF	no factor from 2^64 to 2^65
2010-07-14	Richard	NF	no factor from 2^63 to 2^64