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 statusMnStatusDetails113425069Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 518000B2 = 19128000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-07-27ky0urakuCFED107BB4A991526888384113 HistoryDateUserTypeResult2023-07-27curtiscCERTPRP CertificationCERT proof power = 9Proof certified good2023-07-27ky0urakuC-PRPCFED107BB4A99152PRP proof power = 9PRP: VerifiedProof certified good2022-04-01Ryan PropperNF-PM1B1=518000, B2=191280002021-02-20ZenzomaNFno factor from 2^76 to 2^772021-01-20arpcarNFno factor from 2^75 to 2^762021-01-17arpcarNFno factor from 2^74 to 2^752020-08-21ZenzomaNFno factor from 2^73 to 2^742020-04-22SRBaseNFno factor from 2^72 to 2^732015-06-25endless_mikeNFno factor from 2^71 to 2^722015-06-25endless_mikeNFno factor from 2^70 to 2^712015-06-25endless_mikeNFno factor from 2^69 to 2^702015-02-19SMoffatNFno factor from 2^68 to 2^692015-02-10Smok_bmv NFno factor from 2^67 to 2^682013-10-12Mike IsraelNFno factor from 2^66 to 2^672013-10-10-Anonymous-NFno factor from 2^66 to 2^672012-06-06tscNFno factor from 2^65 to 2^662010-09-29RichardNFno factor from 2^64 to 2^652010-06-081997rj7NFno factor from 2^63 to 2^64