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 statusMnStatusDetails114368159Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 522000B2 = 19287000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-10-09ky0urakuA941E7728B0EA2302808591313 HistoryDateUserTypeResult2023-10-09Jolly AfternoonCERTPRP CertificationCERT proof power = 9Proof certified good2023-10-09ky0urakuC-PRPA941E7728B0EA230PRP proof power = 9PRP: VerifiedProof certified good2022-04-09Ryan PropperNF-PM1B1=522000, B2=192870002021-06-27arpcarNFno factor from 2^76 to 2^772021-05-20Jon PaceNFno factor from 2^75 to 2^762021-05-17Yves de WandelaarNFno factor from 2^74 to 2^752020-10-13gcardonaNFno factor from 2^73 to 2^742020-04-23SRBaseNFno factor from 2^72 to 2^732019-01-16Niels_Mache_NextcloudNFno factor from 2^71 to 2^722015-05-22g0bNFno factor from 2^70 to 2^712015-05-19Smok_bmv NFno factor from 2^69 to 2^702015-03-18JMGarciaNFno factor from 2^68 to 2^692015-03-16g0bNFno factor from 2^67 to 2^682014-12-13RichardNFno factor from 2^66 to 2^672012-06-12viioNFno factor from 2^65 to 2^662010-10-04RichardNFno factor from 2^64 to 2^652010-05-06KYOJI_KAMEINFno factor from 2^63 to 2^64