Factor Info

ID 66434
Size 278 digits / 922 bits
Status composite
Value 28707308176163438837581321004596929050498816123560201608145451553393796509186341244955130410965464732489450952999107634816200838722448579788658927832879795343475238279164164206501893233231522602961399782545151934243792810045898808063104028756907436513653839684847047504639057483

Factorizations

Primary (ID: 65729) 1961870762757168078553 (proven prime)
(ID: 66435) 14632619396304600478613997424714383124007908722140609502914054176102793489904328167151977286485829121167297820029274754014367270036964030446526825610599771089063663110830432049113084399188236620765095141083577199209671595960341069385727266605537531353167811 (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.