154 603 543 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

No known factors, not tested for primality

No factors below 2⁷⁸

TF target 2⁷⁸

P-1

B1 =	1255000
B2 =	882941070

History

Date	User	Type	Result
2025-06-24	lazybee	NF	no factor TF: 77-78
2025-06-23	JacobZ	NF-PM1	B1=1255000, B2=882941070
2024-12-11	ElectricBill	NF	no factor TF: 76-77
2024-08-13	SRBase	NF	no factor TF: 75-76
2023-02-16	SRBase	NF	no factor TF: 74-75
2021-11-14	SRBase	NF	no factor TF: 73-74
2017-10-14	David Hruska	NF	no factor TF: 72-73
2017-09-08	David Hruska	NF	no factor TF: 71-72
2017-08-08	David Hruska	NF	no factor TF: 70-71
2017-07-11	La Güira	NF	no factor TF: 69-70
2016-08-07	Choi4KANG	NF	no factor TF: 68-69
2016-05-03	beyond	NF	no factor TF: 67-68
2015-04-08	Mr-Plonk	NF	no factor TF: 66-67
2013-01-31	Charles A. Morris	NF	no factor TF: 65-66
2011-01-26	Richard	NF	no factor TF: 64-65
2010-06-25	Torchwood Institute	NF	no factor TF: 63-64