642 589 933 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁸⁴

TF target 2⁸³

P-1

B1 =	5740000
B2 =	172200000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2021-05-18	Kriesel	73CECA1C5EDD864D	0	1	3

History

Date	User	Type	Result
2021-05-26	George Woltman	CERT	Proof certified good
2021-05-18	Kriesel	C-PRP	Proof Certified Good Proof Power: 8
2020-06-19	Kriesel	NF-PM1	B1=5740000, B2=172200000
2020-05-31	Kriesel	NF	no factor TF: 82-83
2020-05-31	Kriesel	NF	no factor TF: 83-84
2020-05-31	Kriesel	NF	no factor TF: 78-79
2020-05-31	Kriesel	NF	no factor TF: 79-80
2020-05-31	Kriesel	NF	no factor TF: 80-81
2020-05-31	Kriesel	NF	no factor TF: 81-82
2020-05-31	Kriesel	NF	no factor TF: 75-76
2020-05-31	Kriesel	NF	no factor TF: 76-77
2020-05-31	Kriesel	NF	no factor TF: 77-78
2020-05-31	Kriesel	NF	no factor TF: 74-75
2020-05-31	Kriesel	NF	no factor TF: 73-74
2020-05-31	Kriesel	NF	no factor TF: 72-73
2020-05-31	Kriesel	NF	no factor TF: 71-72
2020-05-31	Kriesel	NF	no factor TF: 70-71
2018-09-21	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2017-05-02	sasaki	NF	no factor TF: 68-69
2017-01-22	sasaki	NF	no factor TF: 67-68
2014-06-20	sasaki	NF	no factor TF: 66-67
2014-03-23	america64	NF	no factor TF: 65-66

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