Prime numbers, factorization, LCM, GCD, and modular arithmetic
Calculate the least common multiple (LCM) of any set of numbers quickly and accurately. Free tool for students, teachers, and professionals.
Break down any number into its prime factors instantly. Free calculator showing factor trees and complete prime factorization with step-by-step process.
Determine if any number is prime or composite instantly. Free calculator that checks primality and explains the mathematical properties of prime numbers.
Calculate modulo operations instantly. Find the remainder of division with our free online modulo calculator. Perfect for programming and mathematics.
Calculate multiplicative inverse modulo instantly. Find modular inverses for cryptography and number theory with our free online calculator.
Calculate power modulo (a^b mod n) efficiently. Free calculator for modular exponentiation used in cryptography, number theory, and computer science.
Check if two numbers are relatively prime (coprime) with our free calculator. Determine if their greatest common divisor (GCD) equals 1.
Determine if a number is a perfect cube instantly. Calculate cube roots and identify perfect cubes with our free online calculator.