Separating each component of #color(red)(28u^10v^6),color(blue)(36u^6v^5),color(green)(49u^5v)#:
#{:
(,"||",color(red)(28),color(blue)(35),color(green)(49),"||",color(red)(u^10),color(blue)(u^6),color(green)(u^5),"||",color(red)(v^6),color(blue)(v^5),color(green)(v)),
("Factors: ","||",color(red)(2xx2xx7),color(blue)(5xx7),color(green)(7xx7),"||",color(red)(u^5xxu^5),color(blue)(u^5xxu),color(green)(u^5),"||",color(red)(vxxv^5),color(blue)(vxxv^4),color(green)(v)),
(GCF,"||",,7,,"||",,u^5,,"||",,v,)
:}#
Recombining the GCF of the components:
#color(white)("XXX")color(magenta)(7u^5v#