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 statusMnStatusDetails140260963Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1167000B2 = 1013631630 PRPStatusDateUserResidueShiftTypeBaseVerified2025-02-28curtiscFC1A2A2F06365465726716313 HistoryDateUserTypeResult2025-02-28Vovo2000.ComCERTPRP CertificationCERT proof power = 8Proof certified good2025-02-28curtiscC-PRPFC1A2A2F06365465PRP proof power = 8PRP: VerifiedProof certified good2024-09-26Luke DurantNF-PM1B1=1167000, B2=10136316302024-08-28Ryan PropperNFno factor from 2^76 to 2^772023-11-11tscNFno 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 2^732017-03-05JoDuNFno factor from 2^71 to 2^722017-02-23JoDuNFno factor from 2^70 to 2^712015-05-16Judge HaleNFno factor from 2^69 to 2^702015-05-16Judge HaleNFno factor from 2^68 to 2^692015-05-16Judge HaleNFno factor from 2^67 to 2^682015-02-143astNFno factor from 2^66 to 2^672012-11-27Mr-PlonkNFno factor from 2^65 to 2^662010-12-09AliNFno factor from 2^64 to 2^652010-06-14Charles A. MorrisNFno factor from 2^63 to 2^64