Factor Info

ID 128038
Size 656 digits / 2178 bits
Status composite
Value 23381801609872547398302355141782698234092360807409087204676613087952759967274186765354787879378615095256111716160138332712838575132601144861312932123838525360569793996890276791604473892968806125834791326769913420944328872072569227140374622965329646743028905309426186000363634594026914099763646383812474434345622006548704628367050511003305469914673687640868207228553337906461899557896626017834448410807983728919956178605266808456785406078118480672579411715402157830294476697744015333119565977549029856620729132814632608819696844678377462125046430027363048090695055775576214062788049094845131948682764983128685240551298427798397307363151679562146823593229761

Factorizations

Primary (ID: 44653) 72959869136384148415325627819728129253829449416779852920045201757932073170041412482002272730535069033151426898604596645218383197858796225368600109133905265041467515837507777757350546448414417761336641 (proven prime)
(ID: 128039) 320474829336177408853913703763995421106682948539479195896915609159420987180612561068631806907941790721676138081969181093401224041827956579169703813256611247923989751509887844932275557479418469497307730129623608583018673802745581585809607183400239285220534755940815771013944982182399554272124206145386048957131652420449499738652707979526970580986626508028889145608658050129329273073590115540628111352567198941319123076524475193144992142906448662848829448321 (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.