Factor Info

ID 5136
Size 278 digits / 921 bits
Status composite
Value 12996952899569667828801431402795367531092827151748899095640611715038735666533086644077544360085343811647598530701250687444045164634916119705600265753077981821626896539835338024474291777508080722013505956255832869342731700037410745007371156367472721580784017602129714640990293983

Factorizations

Primary (ID: 4530) 20912010800475074747 (proven prime)
(ID: 5137) 621506608024246321364537761801817214972597593255142527092235241793747130399025922457980516676434439272411439200376797762844512070214816316635821346065905202406811935104582963075358664590233683434165155960395198663470057552397016229237539636255964607439244589 (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.