Factor Info

ID 28025
Size 663 digits / 2201 bits
Status composite
Value 307145016424383730802077677208878973773288042310553712451328800750489219363464362282093562443072934388022649290924570046998721082289851154039440070819514979122635026810237313718828969473211577855407983873406568043064160492276309084464830282003904049452776978139039687207241635573875315372307453028026938790331890665590920347734261387985752159531590772953438205826535091569386900663589168623508646270334286441827198531887984771697535169426126202686466448688978081137937192871849249678841941586072687539271747165620338642087676109616682087178086727136539146140319299291140567498896840082363031147587462453787128239833849246218932294154763534714778090615120655178121

Factorizations

Primary (ID: 19307) 131758351065116151205213 (proven prime)
(ID: 28026) 2331123712018754140997158331294903104588272007000103157124089714686153734433941386239643127494443191821566965640244539281442010955211021359653367041216094886690242183655661670196316459039979464669975085724061614216002314881669243827831646322311745016524342231855823644802832804606780116873617634924071240344890917228178423833488883672778450781702332455300361707999178269065779165948637998597503213496529182902513248141957018080864880842409547609825462602916939063592501178287875843473198540510192492131029658341973084774932845100232252336350652319401493435980729666744021932629529891948979862261028811223607149414570662793359439226132991517 (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.