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 statusMnStatusDetails111532277Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 509000B2 = 18419000 PRPStatusDateUserResidueShiftTypeBaseVerified2022-12-03Ruslan Borisov5CBBC94A554B5EFC4320126013 HistoryDateUserTypeResult2022-12-04Serge NICOLACERTPRP CertificationCERT proof power = 10Proof certified good2022-12-03Ruslan BorisovC-PRP5CBBC94A554B5EFCPRP proof power = 10PRP: VerifiedProof certified good2022-03-19Ryan PropperNF-PM1B1=509000, B2=184190002021-01-11arpcarNFno factor from 2^76 to 2^772020-12-11arpcarNFno factor from 2^75 to 2^762020-11-23arpcarNFno factor from 2^74 to 2^752020-07-27jwnutterNFno factor from 2^73 to 2^742020-04-20SRBaseNFno factor from 2^72 to 2^732019-01-15Niels_Mache_NextcloudNFno factor from 2^71 to 2^722014-11-07shaugeNFno factor from 2^70 to 2^712014-07-02Andreas_TruetschNFno factor from 2^69 to 2^702013-10-28SMoffatNFno factor from 2^68 to 2^692013-10-14PascalBieriNFno factor from 2^67 to 2^682013-10-05PascalBieriNFno factor from 2^66 to 2^672012-05-31sasaki3NFno factor from 2^65 to 2^662010-09-24RichardNFno factor from 2^64 to 2^652010-05-03CorranNFno factor from 2^63 to 2^64