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Numbers

Greatest Common Factor

Greatest Common Factor (GCF) or Highest Common Factor (HCF) is the largest of the common factors. Greatest Common Factor is…

Complex Numbers

Imaginary number Imaginary number (when squared give a negative result) i is the unit of imaginary number which is square…

Common Factor

Definitions Factors are numbers we multiply together to get another number. When we find the factors of two or more numbers,…

Factorial !

The factorial function (using symbol: !) says to multiply all whole numbers from our chosen number down to 1. So…

Table of Factors and Multiples

Table of Factors Table of Factors for 1 to 100 (not including negatives) NumberFactors1121, 231, 341, 2, 451, 561, 2,…

Prime Factorization

Prime Numbers A Prime Number is a whole number greater than 1 that can not be made by multiplying other…

Reciprocal of Number

The reciprocal of a number is one divided by that number Reciprocal of a Fraction To get the reciprocal of…

Composite Number

Composite number is a whole number that can be made by multiplying other whole numbers. Example: 10 can be made…

Positive and Negative Numbers

Numbers Can be Positive or Negative -Negative sign+Positive sign No Sign Means Positive If a number has no sign it…

Irrational Numbers

Irrational means not Rational An Irrational Number is a real number that cannot be written as a simple fraction.  ExampleRational…