40 579 559 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
3592039036873131451370283138714871190421073	43	141.4	2020-05-23 16:30:27

Status	Date	User	Residue	Shift
Verified (Factored)	2008-04-25	Ahmer Ali	5E2AF59BF66CFB7F	865214
Verified (Factored)	2016-05-26	Cole Davidson	5E2AF59BF66CFB7F	40299602

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2024-02-04	Naegi Makoto	FCF1BC917C6012AE	1	10755768	5	3

P-1 factors

Date	Factor	B1	B2
2020-05-23	3592039036873131451370283138714871190421073	1000000	20000000

History

Date	User	Type	Result
2024-02-04	wally_olson	CERT	PRP Certification Proof certified good
2024-02-04	Naegi Makoto	C-PRP	M40579559/3592039036873131451370283138714871190421073 : FCF1BC917C6012AE PRP proof power = 9 PRP: Verified Proof certified good
2024-01-29	Naegi Makoto	NF-PM1	B1=2000000, B2=2545989600
2024-01-29	Naegi Makoto	NF	no factor from 2^74 to 2^75
2020-05-23	Sid & Andy	F-PM1	Factor: 3592039036873131451370283138714871190421073 / (P-1, B1=1000000, B2=20000000, E=12)
2020-01-17	-Anonymous-	NF	no factor from 2^73 to 2^74
2019-09-30	-Anonymous-	NF	no factor from 2^72 to 2^73
2016-05-26	Cole Davidson	C-LL	5E2AF59BF66CFB7F
2015-05-08	Gordon Spence	NF	no factor from 2^71 to 2^72
2014-12-28	NickOfTime	NF	no factor from 2^70 to 2^71
2014-12-28	NickOfTime	NF	no factor from 2^69 to 2^70