Factor Info

ID 156247
Size 775 digits / 2573 bits
Status composite
Value 2773943052238418226414809081737883249481467405453540190649521188458098882359519130074784946292150387156017996904271053158293636057463763327671355054780109738132313740076038834972991518952160806483759896933187149551966783786688626340450130270334709297459308291126907375551306713989892069114640573565729941178283348848955052918241671492741743771795467339367866523907124217001708108132550953210314734229752895482567032256059349006893959052219152071704058437405346022327261984486651856676487638196868526195667804235222791684278015482224438740460928483332059764224537975443820506616919659233323709537260833611726596823210925536090870391425788998239659866411428650058796267507290212635345698350879061248666571062803131180550934295492032091477946085997810480150721043000184043478899

Factorizations

Primary (ID: 154649) 130154580611883020628409201 (proven prime)
(ID: 156248) 21312680961342663639641970224822727287566028280023568404915366139930588088036076731030205708433708359221608491703040865038480199224514754277517033391348448106454434588762218888046143139969529249164619257010582352219239441169438605017117883019560648131492411931553995198899073080265894187225991135117532008355835906636782303612159531376042981874175668223418629291689039293300070752361789898451583369748213903832063586275212432175560080011717371098138816288724276339377021535093787690353623378880620279554002426431591340489599225103431556991120997592526236763397374137574519031328421573834335469946330715088545189275238183437994981392320125039788516481942116146006417319356310844583492291851120593771912927302522544798574180626650964524326033245368099 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.