13 861 973 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
7740969306337	13	42.8	old
356599449492623	15	48.3	2008-10-01 00:44:51
12627098320265633	17	53.5	2014-09-26 11:37:56
254212466561378737	18	57.8	2015-07-20 10:24:37
24912478801436318447809	23	74.4	2022-09-17 09:11:10

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-10-26	Ryan Propper	D675F0B983EAB293	5	1610650	5	3

P-1 factors

Date	Factor	B1	B2
2022-09-17	24912478801436318447809	300000	213802050

History

Date	User	Type	Result
2023-01-15	LordJulius	NF	no factor from 2^69 to 2^70
2023-01-15	LordJulius	NF	no factor from 2^68 to 2^69
2022-10-26	Perig	CERT	PRP Certification Proof certified good
2022-10-26	Ryan Propper	C-PRP	M13861973/7740969306337/356599449492623/12627098320265633/254212466561378737/24912478801436318447809 : D675F0B983EAB293 PRP proof power = 8 PRP: Verified Proof certified good
2022-09-25	LordJulius	NF	no factor from 2^67 to 2^68
2022-09-25	LordJulius	NF	no factor from 2^66 to 2^67
2022-09-25	LordJulius	NF	no factor from 2^65 to 2^66
2022-09-25	LordJulius	NF	no factor from 2^64 to 2^65
2022-09-17	nordi	F-PM1	Factor: 24912478801436318447809 / (P-1, B1=300000, B2=213802050)
2022-09-06	nordi	NF-PM1	B1=300000
2015-07-20	TJAOI	F	Factor: 254212466561378737 / TF: 57-58
2014-09-26	TJAOI	F	Factor: 12627098320265633 / TF: 53-54
2008-10-01	markr	F	Factor: 356599449492623