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 statusMnStatusDetails112183649Composite: proven not-prime with PRP test TFNo factors below 277TF target 276 P-1B1 = 512000B2 = 19310000 PRPStatusDateUserResidueShiftTypeBaseVerified2023-02-21Ruslan BorisovF7C0BBCB79AF0D594411322113 HistoryDateUserTypeResult2023-02-22Richard ThomasCERTPRP CertificationCERT proof power = 10Proof certified good2023-02-21Ruslan BorisovC-PRPF7C0BBCB79AF0D59PRP proof power = 10PRP: VerifiedProof certified good2022-04-21Ryan PropperNF-PM1B1=512000, B2=193100002021-01-06arpcarNFno factor from 2^76 to 2^772020-12-04arpcarNFno factor from 2^75 to 2^762020-11-16arpcarNFno factor from 2^74 to 2^752020-06-14Knut Andreas BrungotNFno factor from 2^73 to 2^742020-04-21SRBaseNFno factor from 2^72 to 2^732019-01-05Niels_Mache_NextcloudNFno factor from 2^71 to 2^722015-03-14Red RavenNFno factor from 2^70 to 2^712015-02-24Red RavenNFno factor from 2^69 to 2^702015-02-19Red RavenNFno factor from 2^68 to 2^692015-02-07SMoffatNFno factor from 2^67 to 2^682014-11-10vwflat4NFno factor from 2^66 to 2^672012-05-31omiXorpNFno factor from 2^65 to 2^662010-09-28zygNFno factor from 2^64 to 2^652010-05-04carlos56NFno factor from 2^63 to 2^64