554 207 281 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁸³

TF target 2⁸³

P-1

B1 =	5080000
B2 =	152400000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2023-05-30	Kriesel	DB34AD47E89D6CAF	365968575	1	3

History

Date	User	Type	Result
2023-06-11	Kriesel	CERT	Proof certified good
2023-05-30	Kriesel	C-PRP	DB34AD47E89D6CAF Proof Certified Good Proof Power: 7
2020-09-02	Kriesel	NF-PM1	B1=5080000, B2=152400000
2020-08-20	Kriesel	NF	no factor TF: 80-81
2020-08-20	Kriesel	NF	no factor TF: 81-82
2020-08-20	Kriesel	NF	no factor TF: 82-83
2020-08-20	Kriesel	NF	no factor TF: 78-79
2020-08-20	Kriesel	NF	no factor TF: 79-80
2020-08-20	Kriesel	NF	no factor TF: 77-78
2020-08-20	Kriesel	NF	no factor TF: 75-76
2020-08-20	Kriesel	NF	no factor TF: 76-77
2020-08-20	Kriesel	NF	no factor TF: 72-73
2020-08-20	Kriesel	NF	no factor TF: 73-74
2020-08-20	Kriesel	NF	no factor TF: 74-75
2020-08-20	Kriesel	NF	no factor TF: 71-72
2019-11-07	sasaki	NF	no factor TF: 70-71
2018-10-29	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-03-04	sasaki	NF	no factor TF: 68-69
2016-05-31	Bruno Victal	NF	no factor TF: 67-68
2015-11-14	sasaki	NF	no factor TF: 66-67
2014-09-14	sasaki	NF	no factor TF: 65-66
2011-11-08	Architects Cubed	NF	no factor TF: 64-65

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