If needed, press HOME to return to the home screen. The factor option is located in the Algebra menu. The factor option can be applied to either an algebraic expression or a number.
Factor an Algebraic Expression
To factor an algebraic expression, press to access the Algebra menu. Press to select 2:factor. The syntax for factoring an algebraic expression is
For example, let's factor x 4 Ð 9. After the factor( in the entry line, type
X ^ 4 Ð 9 , X ) ENTER
For example, let's factor . After the factor( in the entry line, type
The Algebra menu item 2:factor gives a factorization over the real numbers. To obtain a factorization over the complex numbers, first press to access the Algebra menu. Highlight A:Complex . Press the blue right thumb pad arrow to see the complex pop-up submenu. Press to select 2:cFactor.
After cfactor( is pasted into the entry line, type in the expression and variable to be factored, exactly as with the factor option. The factorization
Factor a Number
| When applied to a number, factor
displays a prime factorization of a given integer. To factor an integer
into its prime number factors, press to access the Algebra menu. Press to select 2:factor. The syntax for
For example, the screen at right displays the prime factorization for n = 1234567890.