Exponent Range: to+ above minimum exponent Output results in HTML format Output results in text-only format Output results in plain-text format Show full details (current assignment, history, LL residues) Include full ECM history (every "NF-ECM" result, slow) Include ancient history logs (1997-2007, slow) Include expired assignments Show software version in historyGet statusMnStatusDetails119916833Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 742000B2 = 102004182 PRPStatusDateUserResidueShiftTypeBaseVerified2024-04-13ky0urakuACAF20E4E58FAB138943942613 HistoryDateUserTypeResult2024-04-14Stefan G HoffmannCERTPRP CertificationCERT proof power = 9Proof certified good2024-04-13ky0urakuC-PRPACAF20E4E58FAB13PRP proof power = 9PRP: VerifiedProof certified good2023-10-25whateverxequalsNF-PM1B1=742000, B2=1020041822022-05-22TheJudgerNFno factor from 2^76 to 2^772021-07-10TheJudgerNFno factor from 2^75 to 2^762021-07-10TheJudgerNFno factor from 2^74 to 2^752015-06-11Ruediger EckhardNFno factor from 2^73 to 2^742015-06-11Ruediger EckhardNFno factor from 2^72 to 2^732015-06-11Ruediger EckhardNFno factor from 2^71 to 2^722015-05-27Mihai PredaNFno factor from 2^70 to 2^712015-05-04Mihai PredaNFno factor from 2^69 to 2^702015-04-25Mihai PredaNFno factor from 2^68 to 2^692015-04-14Mihai PredaNFno factor from 2^67 to 2^682014-12-18vwflat4NFno factor from 2^66 to 2^672012-07-29carlos56NFno factor from 2^65 to 2^662010-10-17sannerud.comNFno factor from 2^64 to 2^652010-05-16Peter ZalewskiNFno factor from 2^63 to 2^64