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 statusMnStatusDetails131345887Composite: proven not-prime with PRP test TFNo factors below 278TF target 277 P-1B1 = 1010000B2 = 706374900 PRPStatusDateUserResidueShiftTypeBaseVerified2024-09-08Luke Durant8B27A8AA32C3E781013 HistoryDateUserTypeResult2024-09-08Luke DurantCERTPRP CertificationCERT proof power = 9Proof certified good2024-09-08Luke DurantC-PRP8B27A8AA32C3E781PRP proof power = 9PRP: VerifiedProof certified good2024-08-18Luke DurantNF-PM1B1=1010000, B2=7063749002023-02-13Joerg DittmarNFno factor from 2^77 to 2^782023-02-12Joerg DittmarNFno factor from 2^76 to 2^772023-02-12Joerg DittmarNFno factor from 2^75 to 2^762022-12-31SRBaseNFno factor from 2^74 to 2^752021-07-20SRBaseNFno factor from 2^73 to 2^742020-10-22SRBaseNFno factor from 2^72 to 2^732016-05-24Smok_bmv NFno factor from 2^71 to 2^722016-05-23Smok_bmv NFno factor from 2^70 to 2^712012-12-26VictordeHollanderNFno factor from 2^69 to 2^702012-09-17VictordeHollanderNFno factor from 2^68 to 2^692012-09-17VictordeHollanderNFno factor from 2^65 to 2^682010-11-30garoNFno factor from 2^64 to 2^652010-06-02sasaki3NFno factor from 2^63 to 2^64