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 statusMnStatusDetails131727709Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 888000B2 = 187855710 PRPStatusDateUserResidueShiftTypeBaseVerified2024-09-18Luke Durant72975FA027DE6C31013 HistoryDateUserTypeResult2024-09-18Li BinghuiCERTPRP CertificationCERT proof power = 9Proof certified good2024-09-18Luke DurantC-PRP72975FA027DE6C31PRP proof power = 9PRP: VerifiedProof certified good2024-08-21David HruskaNF-PM1B1=888000, B2=1878557102023-07-17Alvin BunkNFno factor from 2^76 to 2^772023-03-13LordJuliusNFno factor from 2^75 to 2^762022-12-27SRBaseNFno factor from 2^74 to 2^752021-07-20SRBaseNFno factor from 2^73 to 2^742020-10-22SRBaseNFno factor from 2^72 to 2^732016-01-11-Anonymous-NFno factor from 2^71 to 2^722015-12-23saffaNFno factor from 2^70 to 2^712013-01-23VictordeHollanderNFno factor from 2^69 to 2^702012-12-05VictordeHollanderNFno factor from 2^68 to 2^692012-12-05VictordeHollanderNFno factor from 2^65 to 2^682010-11-15Charles A. MorrisNFno factor from 2^64 to 2^652010-06-03Mr-PlonkNFno factor from 2^63 to 2^64