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 statusMnStatusDetails109498849Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 508000B2 = 19151000 PRPStatusDateUserResidueShiftTypeBaseVerified2022-04-14ky0urakuEC1963D648664ED86572768513 HistoryDateUserTypeResult2022-04-15GrunwalderGIMPCERTPRP CertificationCERT proof power = 9Proof certified good2022-04-14ky0urakuC-PRPEC1963D648664ED8PRP proof power = 9PRP: VerifiedProof certified good2022-03-12Ryan PropperNF-PM1B1=508000, B2=191510002022-03-07Ryan PropperNFno factor from 2^76 to 2^772021-05-05TheJudgerNFno factor from 2^75 to 2^762021-05-05TheJudgerNFno factor from 2^74 to 2^752020-08-22XZTNFno factor from 2^73 to 2^742020-02-24mnd9NFno factor from 2^72 to 2^732019-01-23Niels_Mache_NextcloudNFno factor from 2^71 to 2^722014-11-05shaugeNFno factor from 2^70 to 2^712014-11-05shaugeNFno factor from 2^69 to 2^702014-11-04SMoffatNFno factor from 2^68 to 2^692013-10-21albin_pouillesNFno factor from 2^67 to 2^682013-10-12Cow_tippingNFno factor from 2^66 to 2^672012-05-25omiXorpNFno factor from 2^65 to 2^662010-09-14oodairaNFno factor from 2^64 to 2^652010-04-29Jud McCranieNFno factor from 2^63 to 2^64