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 statusMnStatusDetails137596009Composite: proven not-prime with PRP test TFNo factors below 277TF target 277 P-1B1 = 1153000B2 = 1063689660 PRPStatusDateUserResidueShiftTypeBaseVerified2025-07-06curtiscA8BE12A4B4CF775A10340693513Verified2025-07-14benbradleyA8BE12A4B4CF775A9222481013 HistoryDateUserTypeResult2025-07-14curtiscCERTPRP CertificationCERT proof power = 8Proof certified good2025-07-14benbradleyC-PRPA8BE12A4B4CF775APRP proof power = 8PRP: VerifiedProof certified good2025-07-06Fabrice BelletCERTPRP CertificationCERT proof power = 8Proof certified good2025-07-06curtiscC-PRPA8BE12A4B4CF775APRP proof power = 8PRP: VerifiedProof certified good2024-09-18Luke DurantNF-PM1B1=1153000, B2=10636896602024-08-04minikv116NFno factor from 2^76 to 2^772024-07-13SRBaseNFno factor from 2^75 to 2^762023-01-12SRBaseNFno factor from 2^74 to 2^752021-07-31SRBaseNFno factor from 2^73 to 2^742020-10-23SRBaseNFno factor from 2^72 to 2^732016-04-24Mihai PredaNFno factor from 2^71 to 2^722016-04-18Mihai PredaNFno factor from 2^70 to 2^712016-04-15XebecerNFno factor from 2^69 to 2^702016-03-31dbaughNFno factor from 2^68 to 2^692016-02-27dbaughNFno factor from 2^67 to 2^682015-02-04Karol TNFno factor from 2^66 to 2^672012-11-18RichardNFno factor from 2^65 to 2^662010-12-01vapaddyNFno factor from 2^64 to 2^652010-06-11Mr-PlonkNFno factor from 2^63 to 2^64