Factor Info

ID 42691
Size 294 digits / 976 bits
Status composite
Value 563178378741212881278625996057313751008490992867563243286289664375425292773930830197001779482930986269598649620891512403354768986155672026372484810514905236640277462339616835441009900048900080346283860870395622177953822554281290031734891313557031505224867513503304333615592923345480227864066489

Factorizations

Primary (ID: 9875) 253877209264513031531795240639460483533530009406999 (proven prime)
(ID: 46606) 2218310105002142789929970394056047884469209043859166532095144686283952297411844484066861906703145836318803086535594821241711510019766717755135707965241077372861806358381336143323608260283379314532436689901655124449285989343416613854151312910511 (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.