1 961 033 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
14054596012478473	17	53.6	old
126129396106895314217999684873	30	96.7	2021-07-10 06:27:15

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	106 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-05	Oliver Kruse	F408E6FBA7AD6467	1	0	1	3
Verified (Factored)	2017-11-11	ATH	F408E6FBA7AD6467	1	945019	1	3
Verified	2021-07-15	/r/counting	B27ADE5EB8052BC8	2	1228588	5	3
Verified	2021-07-17	LaurV	B27ADE5EB8052BC8	2	1224889	5	3

History

Date	User	Type	Result
2023-10-13	USAFSS	NF-PM1	B1=576000, B2=490908600
2022-08-11	USAFSS	NF-PM1	B1=132000, B2=134381520
2021-07-17	Steve Jacobson	CERT	PRP Certification Proof certified good
2021-07-17	LaurV	C-PRP	M1961033/14054596012478473/126129396106895314217999684873 : B27ADE5EB8052BC8 PRP proof power = 7 PRP: Verified Proof certified good
2021-07-15	Michal Foerster	CERT	PRP Certification Proof certified good
2021-07-15	/r/counting	C-PRP	M1961033/14054596012478473/126129396106895314217999684873 : B27ADE5EB8052BC8 PRP proof power = 7 PRP: Verified Proof certified good
2021-07-10	_p95holder_	F-ECM	Factor: 126129396106895314217999684873 / (ECM curve 5, B1=50000, B2=5000000)
2017-11-11	ATH	C-PRP	M1961033/14054596012478473 : F408E6FBA7AD6467 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1961033/14054596012478473 : F408E6FBA7AD6467 PRP: Verified (Factored) PRP without proof (not generated)