3 152 189 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
1462615697	10	30.4	old
229891457937695814983	21	67.6	2021-04-19 19:07:18

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-30	Oliver Kruse	EBFBAC28EA9DA208	1	1374702	5	3
Verified (Factored)	2017-12-12	kkmrkkblmbrbk	EBFBAC28EA9DA208	1	691762	5	3
Verified	2021-04-20	marssystems	EBFBAC28EA9DA208	2	2701213	5	3

History

Date	User	Type	Result
2022-03-24	LordJulius	NF	no factor from 2^66 to 2^67
2022-03-24	LordJulius	NF	no factor from 2^65 to 2^66
2022-02-12	Joss	NF-PM1	B1=1000000, B2=119912100
2021-12-06	Joss	NF	no factor from 2^68 to 2^69
2021-04-20	querwurzel	CERT	PRP Certification Proof certified good
2021-04-20	marssystems	C-PRP	M3152189/1462615697/229891457937695814983 : EBFBAC28EA9DA208 PRP proof power = 7 PRP: Verified Proof certified good
2021-04-19	Joss	F	Factor: 229891457937695814983 / TF: 67-68
2021-01-09	Joss	NF	no factor from 2^64 to 2^65
2021-01-06	Joss	NF	no factor from 2^63 to 2^64
2021-01-05	Joss	NF	no factor from 2^62 to 2^63
2021-01-04	Joss	NF	no factor from 2^61 to 2^62
2021-01-04	Joss	NF-PM1	B1=315218, B2=3152189, E=6
2021-01-04	Joss	NF	no factor from 2^60 to 2^61
2021-01-04	Joss	NF	no factor from 2^59 to 2^60
2021-01-04	Joss	NF-PM1	B1=315218
2017-12-12	kkmrkkblmbrbk	C-PRP	M3152189/1462615697 : EBFBAC28EA9DA208 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-30	Oliver Kruse	C-PRP	M3152189/1462615697 : EBFBAC28EA9DA208 PRP: Verified (Factored) PRP without proof (not generated)