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 statusMnStatusDetails113110579Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 1417000B2 = 1021399470 PRPStatusDateUserResidueShiftTypeBaseBad2023-07-23Sir Rutherford J. Pinkerton III2C1E65CDDDF554DF9888132513Verified2024-06-19mewturnE5C0A988FBE477B5013 HistoryDateUserTypeResult2024-06-19metaphysisCERTPRP CertificationCERT proof power = 7Proof certified good2024-06-19mewturnC-PRPE5C0A988FBE477B5PRP proof power = 7PRP: VerifiedProof certified good2024-06-16mewturnNF-PM1B1=1417000, B2=10213994702023-07-24George WoltmanCERTPRP CertificationCERT proof power = 8Cert good, Proof bad2023-07-24George WoltmanCERTPRP CertificationCERT proof power = 8Cert good, Proof bad2023-07-23Sir Rutherford J. Pinkerton IIIC-PRP2C1E65CDDDF554__PRP proof power = 8PRP: BadCert good, Proof bad2022-03-29Ryan PropperNF-PM1B1=516000, B2=190740002021-01-25RNutterNFno factor from 2^76 to 2^772020-12-17MannImMondNFno factor from 2^75 to 2^762020-12-15arpcarNFno factor from 2^74 to 2^752020-05-30AyczlyNFno factor from 2^73 to 2^742020-04-21SRBaseNFno factor from 2^72 to 2^732015-02-18Andrew BNFno factor from 2^71 to 2^722015-02-18Andrew BNFno factor from 2^70 to 2^712015-02-13BronzemanNFno factor from 2^69 to 2^702015-02-13SMoffatNFno factor from 2^68 to 2^692015-02-10SMoffatNFno factor from 2^67 to 2^682013-10-12PEDNFno factor from 2^66 to 2^672012-06-04Mr-PlonkNFno factor from 2^65 to 2^662010-09-27Thomas StorkNFno factor from 2^64 to 2^652010-06-011997rj7NFno factor from 2^63 to 2^64