Factor Info

ID 21510
Size 544 digits / 1806 bits
Status composite
Value 3999730908110845920855991652154016161165853464079688177232761179692162941482882184391664870036589100329345775512864375214887091848735473933060036931137615393963740687852049960443885341790178532095530799553592229927502683349057999308650338141736561264645024236236180635127100536526125963163422826357092022692291537417180668154310416811472698109022212353025989842229123785625181243961070166097211281367038284056185629421090827773680426736346213216560623843057313380943466681244401589088561183690746011107895210777331714920614488668504949836406823

Factorizations

Primary (ID: 30006) 662755721911092119744737643749343823193619423487281 (proven prime)
(ID: 30007) 6035000190684743714894514834284537353950789064950402800744002804353042319706821214620201713511938834234857259030464769525368737650446051209646518505255410750177990455397316230687358726886391593734670769779744583480403101970110213378792667479228997415394398854608707790237757761406031448886201182286886859119091914757376903040495363208037615828559896164410043779424623839903868931446554755933657697615178970554236239006669220930723494216806313674094352292945973243514390687250747065873659962583 (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.