2 487 787 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
681653639	9	29.3	old
8534552450849351	16	52.9	2014-08-29 11:25:19
9715076537852377	16	53.1	2014-09-04 09:32:50

ECM

Digits	B1	Curves
25	50000	228 / 280

Estimated T-Level: 24.1 ⓘ

TF below 2^75 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	99BAEB1E8E86C087	3	1351900	5	3
Verified	PRP without proof (not generated)	2017-11-29	storm5510	99BAEB1E8E86C087	3	1456993	5	3

History

Date	User	Type	Result
2022-08-19	USAFSS	NF-PM1	B1=224000, B2=203668920
2017-11-29	storm5510	C-PRP	M2487787/681653639/8534552450849351/9715076537852377 : 99BAEB1E8E86C087
2017-10-14	Oliver Kruse	C-PRP	M2487787/681653639/8534552450849351/9715076537852377 : 99BAEB1E8E86C087
2014-09-04	TJAOI	F	Factor: 9715076537852377
2014-08-29	TJAOI	F	Factor: 8534552450849351

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