Factor Info

ID 157321
Size 495 digits / 1643 bits
Status composite
Value 220415729120481875143042734531921690285771042019018056192194538379032114325192072776134836418690633642176428827228720550581652127102974752714423397367139351046696020747619892811197265810934245252751518134303077455012850306528129338571480094020901111575060682745057240082536687371120445303406135831135781134025975795981301625469745167352066688207373418209528519964558554112366442551016002634957512771341446446285552664955760293875792012040455001960272834498571335995397996915602106846478233070721

Factorizations

Primary (ID: 157818) 91745259034867327005564551 (proven prime)
(ID: 191366) 2402475413325869833598494463029523027748070513308492731946300537385106956947664238177788252116109068204485227758490326089444648277650421699569827856306934313939537131704307312139742830354911607288467853804698853465197260622210707620368906547285711745157070073804247006159352098862501495383646355748232850235405042806148949511260072497963874244720682875322822644111155060367508327011927424167897629936704512662355535941316054264012151056106482930553933780574107377407671 (composite)
Secondary (ID: 157322) × (ID: 157323)

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.