Factor Info

ID 153367
Size 649 digits / 2154 bits
Status composite
Value 2427408091870184285114627318997130965172786577009668205992321445484126789770630899896879578593159507494344374454248277600997460401290028206079372773699933172012643326081180809103934512408851347758508856604459126402424769777298376627699714263026233786605249243910332147818638794042403703214169806451990971602565662994988728614864863052696749951546055460489280900235868248823350770463132186843129204240209931712732810333487165527619311532381454114245774786292749156911126229178812622773538534465828560173945449806092979367873414237183029115628842008733464161620072054096014966677682600710218741335694671759899171489423302527439413865127889242797132593

Factorizations

Primary (ID: 187460) 17656216826736020754970333267201 (proven prime)
(ID: 187461) 137481778553742532220805746438529088175550825589374946835434244110682822383041315044742460695629212472551875626891002750932632937848968549744009540130848183396756373647916735148424533307103930123538025094646260887765564192089698067192204246038272699071459164951405749392119812797156680530187110410450506682921519975794220702186885091928999441053105775926721742323972779217536240933652311009769460187200249250479096829252174640350963667791035585832787141764043236629431321208352934322085990213429833917896808546039380984315980030124509320561101139705106001729899161446364366776459225482223116872404091930056742848402993 (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.