Factor Info

ID 214253
Size 137 digits / 453 bits
Status composite
Value 16280851616866656968016757733025373831647651118258419426371137062524301477752036686674680700621084470675106528994060816072983860199291389

Factorizations

Primary (ID: 225727) 55131431790832680253686666967583260451793621710680943 (proven prime)
(ID: 225728) 295309791311711520780570046993534386195921295962092377131090772016300286666203267923 (proven prime)

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.