Factor Info

ID 161907
Size 609 digits / 2022 bits
Status composite
Value 380039608520979107353623736262726411147063253005918678675732585020591802306641150883717219121236224498612070923482841258298290620934016293541586233024630187034483634874578100428472300812726819150494096487441362121858352079988410746274652846617592427855847220104068942035696249577761388950801013024453737512220497923013502711696379734918105284162453885470584757920759749592648076976025133663900391462368261702520903691497595059880685248830258837719943730690973717236833771034497811845769397128048289133478839821704387772130483505060527916335529172388492213733711564510881979984530233129904819162934170013608789

Factorizations

Primary (ID: 161326) 553007254871974416873833 (proven prime)
(ID: 161908) 687223549370905275012835231045023052938223045920133490172294816588491409037352963372489564603980753377764929852214787581755433835987918420056177545977853244281642116983735699677124862051385968525098596647387516789500526511351907602872858989879362073547486550450742749432965826944998431950446193869852676266302072055265877745438141635739080773946116408898505546301227058853131888950099885139755134313356705344958244012835538303267940482249892154267837900702155790074098900987201020374667452311384521138658857438366631758370747179616406267960964383043604065781985595775327451985751333133 (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.