Factor Info

ID 139234
Size 263 digits / 873 bits
Status composite
Value 51133031107454788107296299847613328133749048228880687380519334422105741186078929447796467834881908253661757972943105725134789724006067926620568526815118829941945972978633776685584832211347970991702063788148807600041752589051157186596012081483851938499530306013419

Factorizations

Primary (ID: 141246) 257413330694848238339842860812227 (proven prime)
(ID: 174082) 198641736888407943635317803652760326188983505643645003228472789350245177725728604011530672852756281888153182933649846146602698642779469971384964477276302312415177670237756986024957076744771510123670427012625172431780851456961466297 (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.