Number, Power & Root Calculators

Tools for number work: HCF and LCM, primes and prime factors, powers and roots in simplest form, logarithms, scientific notation, random numbers and a typed scientific calculator.

GCD Calculator

Greatest common divisor (HCF) of numbers.

LCM Calculator

Least common multiple of numbers.

Prime Number Checker

Is a number prime, and the nearest primes.

Prime Factorization Calculator

Prime factors of a number, with powers.

Exponent Calculator

Powers with any exponent.

Square Root Calculator

Square root and simplest radical form.

Cube Root Calculator

Cube root and simplified form.

Logarithm Calculator

Logarithms to any base.

Scientific Notation Calculator

Scientific, E and engineering notation.

Random Number Generator

Random numbers in a range.

Scientific Calculator

Type any expression and get the answer.