999 198 383 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁸¹

TF target 2⁸⁵

Factored

Factor	Digits	Bits	Date
2406219604500257190197057	25	81.0	2025-01-13 04:51:32

History

Date	User	Type	Result
2025-01-13	Smok_bmv	F	Factor: 2406219604500257190197057 / TF: 80-81
2025-01-10	Smok_bmv	NF	no factor TF: 79-80
2024-12-28	Smok_bmv	NF	no factor TF: 78-79
2024-12-28	Smok_bmv	NF	no factor TF: 77-78
2024-12-28	Smok_bmv	NF	no factor TF: 76-77
2024-06-14	minikv116	NF	no factor TF: 75-76
2024-01-07	Dmitry Bolshakov	NF	no factor TF: 74-75
2021-02-21	KEP	NF	no factor TF: 73-74
2021-02-21	KEP	NF	no factor TF: 72-73
2019-02-03	ATH	NF	no factor TF: 1-64
2011-10-05	lindee	NF	no factor TF: 71-72
2011-10-05	lindee	NF	no factor TF: 70-71
2011-03-12	lindee	NF	no factor TF: 68-70
2010-12-18	lindee	NF	no factor TF: 67-68
2010-11-11	lindee	NF	no factor TF: 66-67
2010-06-07	lindee	NF	no factor TF: 65-66
2010-06-07	lindee	NF	no factor TF: 64-65