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 statusMnStatusDetails140344327Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1191000B2 = 1245397560 PRPStatusDateUserResidueShiftTypeBaseVerified2025-03-21ManuelJC2B24311A63AC0D5412923871213 HistoryDateUserTypeResult2025-03-21ThunderrsamCERTPRP CertificationCERT proof power = 8Proof certified good2025-03-21ManuelJCC-PRP2B24311A63AC0D54PRP proof power = 8PRP: VerifiedProof certified good2024-09-26Luke DurantNF-PM1B1=1191000, B2=12453975602024-08-30Ryan PropperNFno factor from 2^76 to 2^772023-10-31tscNFno factor from 2^75 to 2^762023-01-18SRBaseNFno factor from 2^74 to 2^752021-11-02SRBaseNFno factor from 2^73 to 2^742020-10-23SRBaseNFno factor from 2^72 to 2^732016-03-11William WallaceNFno factor from 2^71 to 2^722016-03-09Ready4PrimeTimeNFno factor from 2^70 to 2^712015-05-07Judge HaleNFno factor from 2^69 to 2^702015-05-07Judge HaleNFno factor from 2^68 to 2^692015-05-07Judge HaleNFno factor from 2^67 to 2^682015-02-14vwflat4NFno factor from 2^66 to 2^672012-11-28561NFno factor from 2^65 to 2^662010-12-12RichardNFno factor from 2^64 to 2^652010-06-14subgeniusNFno factor from 2^63 to 2^64