Factor Info

ID 155602
Size 503 digits / 1669 bits
Status composite
Value 21070801450153630747702174294076676550339618379862835727710228706255505792087779468708159261820616812030689285290064943113555286572060838446955185939464021656128852889958046674453880559087353926207159335674059684122727467119647032979932363859257750525167123951791574803991838714998217976328291348743943818806002261381442754259568038458113929704293028554193713352856828315119339876731195431455306152330019294464265629124250392720241887104882869900343738170621998552308082410678261926813415229182327589987

Factorizations

Primary (ID: 154606) 293006379555093281221 (proven prime)
(ID: 155603) 71912432357779905909962843831378673751629247385456037466838568437253619863130356507096075023831300125932709224817412137158838506866401946864234619862434922298760711392432802037078382810820584583178771462405563636634499695360834569381036551318807950728868137479564094551749252658727392869357102695493709707878186942372604695563715557255152041441412405438598081802481963865855140760473707849388270280330453375303603096151086809662530773652869772690118121984831989537242655546569840647 (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.