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 statusMnStatusDetails114603631Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 523000B2 = 19727000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-05-29curtisc3DCAD7923D9157EA10617059513 HistoryDateUserTypeResult2023-05-30curtiscCERTPRP CertificationCERT proof power = 8Proof certified good2023-05-29curtiscC-PRP3DCAD7923D9157EAPRP proof power = 8PRP: VerifiedProof certified good2022-04-11Ryan PropperNF-PM1B1=523000, B2=197270002021-06-27arpcarNFno factor from 2^76 to 2^772021-05-26TheJudgerNFno factor from 2^75 to 2^762021-05-26TheJudgerNFno factor from 2^74 to 2^752020-10-18buteraNFno factor from 2^73 to 2^742020-04-24SRBaseNFno factor from 2^72 to 2^732018-05-05el groccoNFno factor from 2^71 to 2^722015-08-19AirSquirrelsNFno factor from 2^70 to 2^712015-08-10el groccoNFno factor from 2^69 to 2^702015-04-06-Anonymous-NFno factor from 2^68 to 2^692015-03-25g0bNFno factor from 2^67 to 2^682014-11-21symalladNFno factor from 2^66 to 2^672012-06-22Gordon SpenceNFno factor from 2^65 to 2^662010-10-05RichardNFno factor from 2^64 to 2^652010-05-07carlos56NFno factor from 2^63 to 2^64