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 statusMnStatusDetails112309411Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 511000B2 = 18864000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-03-07Ruslan Borisov5C10525BDE99C4925028608213 HistoryDateUserTypeResult2023-03-17PhantomasCERTPRP CertificationCERT proof power = 10Proof certified good2023-03-07Ruslan BorisovC-PRP5C10525BDE99C492PRP proof power = 10PRP: VerifiedProof certified good2022-04-22Ryan PropperNF-PM1B1=511000, B2=188640002021-01-17arpcarNFno factor from 2^76 to 2^772021-01-12RobertKazanNFno factor from 2^75 to 2^762021-01-12RobertKazanNFno factor from 2^74 to 2^752020-09-26el groccoNFno factor from 2^73 to 2^742020-04-21SRBaseNFno factor from 2^72 to 2^732019-01-05Niels_Mache_NextcloudNFno factor from 2^71 to 2^722014-11-15shaugeNFno factor from 2^70 to 2^712014-11-15shaugeNFno factor from 2^69 to 2^702014-11-15shaugeNFno factor from 2^68 to 2^692014-11-15shaugeNFno factor from 2^67 to 2^682014-11-10vwflat4NFno factor from 2^66 to 2^672012-08-08RichardNFno factor from 2^65 to 2^662010-09-25sasaki3NFno factor from 2^64 to 2^652010-05-05James HintzNFno factor from 2^63 to 2^64