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 statusMnStatusDetails130980293Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1181000B2 = 2272771410 PRPStatusDateUserResidueShiftTypeBaseVerified2024-09-08Luke DurantA43DE0ABE36D788B013 HistoryDateUserTypeResult2024-09-08MSKCERTPRP CertificationCERT proof power = 9Proof certified good2024-09-08Luke DurantC-PRPA43DE0ABE36D788BPRP proof power = 9PRP: VerifiedProof certified good2024-08-16Luke DurantNF-PM1B1=1181000, B2=22727714102023-09-22gcardonaNFno factor from 2^76 to 2^772023-03-28La GüiraNFno factor from 2^75 to 2^762022-12-26SRBaseNFno factor from 2^74 to 2^752021-07-20SRBaseNFno factor from 2^73 to 2^742015-12-08ANONYMOUSNFno factor from 2^72 to 2^732015-12-08ANONYMOUSNFno factor from 2^71 to 2^722015-12-05SourceBinary.comNFno factor from 2^70 to 2^712015-12-02DerekNFno factor from 2^69 to 2^702015-11-27nate.andersNFno factor from 2^68 to 2^692015-11-19el groccoNFno factor from 2^67 to 2^682015-01-19aurashiftNFno factor from 2^66 to 2^672012-10-14Massimo Cappelli (ik5pwa)NFno factor from 2^65 to 2^662010-11-13Charles A. MorrisNFno factor from 2^64 to 2^652010-06-02sasaki3NFno factor from 2^63 to 2^64