2 549 927 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
466296378741121	15	48.7	old
59997610894163881	17	55.7	2015-02-11 12:28:34
4757060226877674593	19	62.0	2016-06-23 11:08:16

ECM

Digits	B1	Curves
25	50000	101 / 280

Estimated T-Level: 21.8 ⓘ

TF below 2^67 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	B316DE80F3CE987C	3	445244	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	B316DE80F3CE987C	3	1392723	5	3

History

Date	User	Type	Result
2022-08-26	USAFSS	NF-PM1	B1=600000, B2=560425320
2017-12-01	storm5510	C-PRP	M2549927/466296378741121/59997610894163881/4757060226877674593 : B316DE80F3CE987C
2017-10-14	Oliver Kruse	C-PRP	M2549927/466296378741121/59997610894163881/4757060226877674593 : B316DE80F3CE987C
2016-06-23	TJAOI	F	Factor: 4757060226877674593
2015-02-11	TJAOI	F	Factor: 59997610894163881

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