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 statusMnStatusDetails112599209Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 512000B2 = 18912000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-04-11ky0uraku563D19DC36210E4D9129967913 HistoryDateUserTypeResult2023-04-11CuboxCERTPRP CertificationCERT proof power = 9Proof certified good2023-04-11ky0urakuC-PRP563D19DC36210E4DPRP proof power = 9PRP: VerifiedProof certified good2022-03-25Ryan PropperNF-PM1B1=512000, B2=189120002020-12-29arpcarNFno factor from 2^76 to 2^772020-12-02arpcarNFno factor from 2^75 to 2^762020-11-27arpcarNFno factor from 2^74 to 2^752020-09-07ZenzomaNFno factor from 2^73 to 2^742020-04-21SRBaseNFno factor from 2^72 to 2^732018-03-11el groccoNFno factor from 2^71 to 2^722015-02-22Houd Al-ObaidliNFno factor from 2^70 to 2^712015-02-18La GüiraNFno factor from 2^69 to 2^702015-02-18La GüiraNFno factor from 2^68 to 2^692015-02-18La GüiraNFno factor from 2^67 to 2^682014-11-11Chih-Wei HuangNFno factor from 2^66 to 2^672012-08-02Mr-PlonkNFno factor from 2^65 to 2^662010-09-27RichardNFno factor from 2^64 to 2^652010-05-08James HintzNFno factor from 2^63 to 2^64