Factor Info

ID 42701
Size 300 digits / 995 bits
Status composite
Value 258172065285363657921681666157882450113301142101946430731525476857683223687451472282367645173054470491407590549723922616633488112407446785047242399970396213747994529745392737480790892850313110011953942718853171649125165012309075069284347397478929599937553007399836900881909337056068074000059624344189

Factorizations

Primary (ID: 42702) 1037697551927204027221 (proven prime)
(ID: 42703) 248793171773305675950647609606418333778271638470007712947997672001220744964239549528738339693976389900921681098097172557328620078104999547315696858192643211281664474902714168008001817178654424492150873633391492808785773205975163047921484281255689656098483859142855531411375555209 (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.