Factor Info

ID 150280
Size 267 digits / 886 bits
Status composite
Value 515354792969546118106446191126174657908471413525375027781004801136982520720323685836274254436010880648384184217945434869845632196889513022848558172901090684578529575980275065446117760373675934080449390225130796709851520512088254536195766525839694814223743661373127449

Factorizations

Primary (ID: 149873) 518000844222261399356517126864695377 (proven prime)
(ID: 184349) 994891801273628955992672998480709130580540526907181708682480877084916608498135223478839984779583263963243865452028120341786566468814957924409560298097321618340126420425739486574357908054681394290549770819706387953144964089735230537 (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.