FactorList[poly] gives a list of the factors of a polynomial, together with their exponents.
Factor
(Built-in Mathematica Symbol) Factor[poly] factors a polynomial over the integers. Factor[poly, Modulus -> p] factors a polynomial modulo a prime p. Factor[poly, Extension -> {a_1, a_2, ...}] factors a ...
FactorSquareFree[poly] pulls out any multiple factors in a polynomial.
FactorTermsList[poly] gives a list in which the first element is the overall numerical factor in poly, and the second element is the polynomial with the overall factor ...
FactorTerms[poly] pulls out any overall numerical factor in poly. FactorTerms[poly, x] pulls out any overall factor in poly that does not depend on x. FactorTerms[poly, {x_1, ...
FeedbackType is an option for some control system functions that specifies the feedback type.
FieldHint is an option for InputField that specifies contents to display when the input field is empty.
FieldHintStyle is an option for InputField that specifies the style to use for displaying the field hint.
FieldMasked is an option to InputField that determines whether to mask user input.
FieldSize is an option for InputField, PopupMenu, and related functions that specifies the size of the field allowed for input or contents.