Factor Info

ID 137030
Size 312 digits / 1035 bits
Status composite
Value 253301503460325604519497233015473101596701387747908802150381368583916364229832563091201397638119016729554752839166490123262754306317776348936916577511996641501788897947328436921633553527301168478045908628430783447352100637527674821189531920208679813501195115299742467626941904514628009252120557571802731886352301

Factorizations

Primary (ID: 171893) 129117194465801051321818746638414043851 (proven prime)
(ID: 171894) 1961795286122151150261296823891034749288892381504665783902810528977104864442625424929674543210684853577194027499716549626234386074898628148691884022326082993837921825990568692450453963247997281710565417374342203260421422733928204194378068017629501502916395699116662003150951 (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.