159 552 749 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 =	838000
B2 =	39866820

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-12-25	Jacob_Del_Signore	D2E973F1C64A1263	61958750	1	3

History

Date	User	Type	Result
2024-12-25	LOBES	CERT	PRP Certification CERT proof power = 10 Proof certified good
2024-12-25	Jacob_Del_Signore	C-PRP	D2E973F1C64A1263 PRP proof power = 10 PRP: Verified Proof certified good
2024-09-18	Ryan Propper	NF-PM1	B1=838000, B2=39866820
2024-09-01	SRBase	NF	no factor from 2^75 to 2^76
2023-03-01	SRBase	NF	no factor from 2^74 to 2^75
2021-11-24	SRBase	NF	no factor from 2^73 to 2^74
2018-01-11	hpadir	NF	no factor from 2^72 to 2^73
2018-01-10	hpadir	NF	no factor from 2^71 to 2^72
2018-01-08	proxy2222	NF	no factor from 2^70 to 2^71
2018-01-07	La Güira	NF	no factor from 2^69 to 2^70
2017-03-18	Xolotl	NF	no factor from 2^68 to 2^69
2016-05-19	rubikvn2100	NF	no factor from 2^67 to 2^68
2015-05-04	tsc	NF	no factor from 2^66 to 2^67
2013-02-19	sasaki3	NF	no factor from 2^65 to 2^66
2011-02-01	Ali	NF	no factor from 2^64 to 2^65