Factor Info

ID 18728
Size 260 digits / 864 bits
Status composite
Value 81676677144544494381374823338552379251094906995769051604555255837172593734155461685600538520427393630720270052749855904409260587448403209040599082898080272110665917048651582706472702139280485612836097746540605781333244417293174121621650847759221503495528883179

Factorizations

Primary (ID: 8190) 8166146875847876762859119015147004762656450569 (proven prime)
(ID: 18729) 10001862369890836391872922875426839523466440568186361833602832419887658638183557692810526856485737893245488932503538076676583525819272537024366320768425546325611904901695287885521641617503043278888887966572834660691 (proven prime)

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.