Factor Info

ID 172720
Size 733 digits / 2432 bits
Status composite
Value 1013381180895817379428293123477038558920236114857172876836814252144850036732275073076193270925666795063413810801821909617662211129072365378562753958192172160222557304723953425543786919210234383057779085552860387595465515752936803869693063184574380295580967268577476227970510708753122330766161761965432424684533040789695170925637585469657965915234549847077771266208451352006292102411689575834217166024805284106117469363652774604251281031283141395166980153246184152757650380201996657495270084676030039458977257357961542842892954296588583385598180548615430202157244945336545973868274281921305846539713012588428443071856013519907802201887686022145926659701363824490909921183914272319611031402248513694603751742265438540131477260175459983

Factorizations

Primary (ID: 171794) 257461354558968362373135815228504330265645425392315461859 (proven prime)
(ID: 172721) 3936051616879514480161622758730634809157335836174119060893078562038476261148899225302858658309479420984626768256905248382351047220314725709893547000003380609965809924972275105379239067658343427876859093072231704958572721075779888013726314360439618995514904899484596601226447979069511947695409448318135793692778500251665312241378440617836436212745605281487102096181425732700744507969396903220278828653981219059745208277138694944132819304761771456226481502531122804429668296050158119381313044105189596101247372159998708575891924501281963277144729651128079149641835262749567814153358178000859220433425793076020285925027750192905613476355915141693067910798366085646702421771476837 (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.