Factor Info

ID 72276
Size 687 digits / 2280 bits
Status composite
Value 161999319752027430755227290663723705847035007540199621479489391406929080689760963417726313432175324395559084836014870701391050908398802566678893309212170367710432692509043696670389096213146352532306100127846302699772024174950593919964779463279077988086900311601684968337843854725098020970074294844228472820954262717156595527198964690419627746697977141590187790795326587626744852469379558142380855535318734783667584320497041592606752700701166460449653215952166015207071754542838298532985514006094935866758982707551652995400694997496523825590978440875778491271250629099900434043863135941321715140287992437877265257829752621364095017837865613935752599799305156679366910649047345432365294901

Factorizations

Primary (ID: 70639) 4080607191041244045302251 (proven prime)
(ID: 72277) 39699807447207444304673829901546347455750811241114806545716889128315278549447432427250003232953262258121691938512476525414074236829880228218911580989475146899452540507541151610156371038910032664503831358071642552689987332935379610804264086087558191332712760328561946699337340477689407982374635997806815822699799383626912079002618951646498329358013318182091911586506878553721462333365535816088027048460107932543036138760326848363883677716160431925859974890489086291708799109742332676012790239451833611173462406441989247646944882636599606641348505708371562523715007661856322390705409168677127482883602989479868009069647922264489893947383953599315493008767363405151 (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.