168 510 523 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁸³

TF target 2⁷⁸

P-1

B1 =	1000000
B2 =	40000000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2023-07-27	Tucker Kao	02AF0BC6DF0991C4	150086365	1	3

History

Date	User	Type	Result
2024-12-04	Tucker Kao	NF	no factor TF: 82-83
2023-07-27	RED	CERT	Proof certified good
2023-07-27	Tucker Kao	C-PRP	02AF0BC6DF0991C4 Proof Certified Good Proof Power: 10
2023-02-23	Tucker Kao	NF	no factor TF: 81-82
2022-12-19	Tucker Kao	NF	no factor TF: 80-81
2022-02-02	Tucker Kao	NF	no factor TF: 79-80
2022-01-16	Tucker Kao	NF	no factor TF: 78-79
2022-01-16	Tucker Kao	NF	no factor TF: 77-78
2022-01-13	Tucker Kao	NF-PM1	B1=1000000, B2=40000000
2021-12-30	Tucker Kao	NF	no factor TF: 76-77
2018-04-11	Oliver Kruse	NF	no factor TF: 71-76
2018-02-27	Zenghui	NF	no factor TF: 70-71
2018-02-18	Zenghui	NF	no factor TF: 69-70
2017-04-27	Xolotl	NF	no factor TF: 68-69
2016-04-04	XZT	NF	no factor TF: 67-68
2015-06-09	vwflat4	NF	no factor TF: 66-67
2013-03-25	Richard	NF	no factor TF: 65-66
2011-02-17	dsl	NF	no factor TF: 64-65
2010-07-08	Charles A. Morris	NF	no factor TF: 63-64