2 487 883 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
238836769	9	27.8	old
49758595444009	14	45.5	2014-01-22 11:34:52
36447119932653041	17	55.0	2014-12-31 11:49:39

ECM

Digits	B1	Curves
25	50000	192 / 280

Estimated T-Level: 23.4 ⓘ

TF below 2^73 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-10-14	Oliver Kruse	70A9E3F7EC3187DB	3	86224	5	3
Verified	PRP without proof (not generated)	2017-11-29	storm5510	70A9E3F7EC3187DB	3	1524421	5	3

History

Date	User	Type	Result
2022-08-19	USAFSS	NF-PM1	B1=224000, B2=203668920
2017-11-29	storm5510	C-PRP	M2487883/238836769/49758595444009/36447119932653041 : 70A9E3F7EC3187DB
2017-10-14	Oliver Kruse	C-PRP	M2487883/238836769/49758595444009/36447119932653041 : 70A9E3F7EC3187DB
2014-12-31	TJAOI	F	Factor: 36447119932653041
2014-01-22	TJAOI	F	Factor: 49758595444009

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