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 statusMnStatusDetails138249731Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1162000B2 = 1163800110 PRPStatusDateUserResidueShiftTypeBaseVerified2025-06-10nightflyA032128B3CE352BF13402630313 HistoryDateUserTypeResult2025-06-10blin00CERTPRP CertificationCERT proof power = 8Proof certified good2025-06-10nightflyC-PRPA032128B3CE352BFPRP proof power = 8PRP: VerifiedProof certified good2024-09-20Luke DurantNF-PM1B1=1162000, B2=11638001102024-08-21Ryan PropperNFno factor from 2^76 to 2^772024-07-17SRBaseNFno factor from 2^75 to 2^762023-01-13SRBaseNFno factor from 2^74 to 2^752021-08-02SRBaseNFno factor from 2^73 to 2^742020-10-23SRBaseNFno factor from 2^72 to 2^732016-08-21CSLatDDNFno factor from 2^71 to 2^722016-08-15Andrew BNFno factor from 2^70 to 2^712016-08-14DerekNFno factor from 2^69 to 2^702016-08-14DerekNFno factor from 2^68 to 2^692016-02-15Ready4PrimeTimeNFno factor from 2^67 to 2^682015-02-07t2NFno factor from 2^66 to 2^672012-11-17Dalos LeeNFno factor from 2^65 to 2^662010-12-02sannerud.comNFno factor from 2^64 to 2^652010-06-12carlos56NFno factor from 2^63 to 2^64