7 539 923 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 4 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁷

Factored

Factor	Digits	Bits	Date
76652295005916871	17	56.1	old
1878805001261275169	19	60.7	2016-02-29 12:16:32
104550132565304837273	21	66.5	2020-04-28 12:24:43
254902192682412506897	21	67.8	2023-04-26 08:50:31

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Factored	PRP without proof (not generated)	2018-03-30	Oliver Kruse	F9933C6FDB61CBFD	2	4995591	5	3
Factored	PRP without proof (not generated)	2019-07-03	marssystems	F9933C6FDB61CBFD	2	4810377	5	3
Factored	PRP without proof (not generated)	2020-04-30	fre_games	F9933C6FDB61CBFD	3	2617179	5	3
Verified	Certified Good	2023-05-02	XZT	F9933C6FDB61CBFD	4	1519797	5	3

History

Date	User	Type	Result
2024-02-14	Stef42	NF-PM1	B1=2500000, B2=6104692440
2023-05-02	iwes	CERT	Proof certified good
2023-05-02	XZT	C-PRP	M7539923/76652295005916871/1878805001261275169/104550132565304837273/254902192682412506897 : F9933C6FDB61CBFD Proof Certified Good Proof Power: 8
2023-04-26	TJAOI	F	Factor: 254902192682412506897
2022-03-21	LordJulius	NF	no factor TF: 64-65
2022-03-21	LordJulius	NF	no factor TF: 65-66
2022-03-21	LordJulius	NF	no factor TF: 61-64
2020-04-30	fre_games	C-PRP	M7539923/76652295005916871/1878805001261275169/104550132565304837273 : F9933C6FDB61CBFD
2020-04-28	TJAOI	F	Factor: 104550132565304837273
2019-07-03	marssystems	C-PRP	M7539923/76652295005916871/1878805001261275169 : F9933C6FDB61CBFD
2018-03-30	Oliver Kruse	C-PRP	M7539923/76652295005916871/1878805001261275169 : F9933C6FDB61CBFD
2016-02-29	TJAOI	F	Factor: 1878805001261275169
1998-08-09	-anonymous-	F	Factor: 76652295005916871