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 statusMnStatusDetails86619773Composite: proven not-prime with PRP test TFNo factors below 276TF target 275 P-1B1 = 725000B2 = 14318750 PRPStatusDateUserResidueShiftTypeBaseVerified2019-09-09ky0urakuF66E682AB80F92443490446013Verified2025-02-19GdSF66E682AB80F9244013 HistoryDateUserTypeResult2025-02-19JuniTheDingoCERTPRP CertificationCERT proof power = 10Proof certified good2025-02-19GdSC-PRPF66E682AB80F9244PRP proof power = 10PRP: VerifiedProof certified good2019-09-09ky0urakuC-PRPF66E682AB80F9244PRP: VerifiedPRP without proof (not generated)2018-04-18HardyP GermanyNF-PM1B1=725000, B2=143187502018-02-07Strolling JellyfishNFno factor from 2^75 to 2^762018-01-27Brian BeuningNFno factor from 2^74 to 2^752017-05-23gcardonaNFno factor from 2^73 to 2^742017-04-03Judge HaleNFno factor from 2^72 to 2^732017-04-03Judge HaleNFno factor from 2^71 to 2^722013-07-22durban77NFno factor from 2^70 to 2^712013-04-25Brian V.NFno factor from 2^69 to 2^702013-04-25Brian V.NFno factor from 2^68 to 2^692013-04-25Brian V.NFno factor from 2^67 to 2^682010-11-29Michael CNFno factor from 2^66 to 2^672010-11-29Michael CNFno factor from 2^65 to 2^662010-10-24Michael CNFno factor from 2^64 to 2^65