Numbers Calculator

Find GCF, LCM, factors, prime factorization, check prime numbers and more with step-by-step solutions.

Try: GCF(24,36) LCM(4,6) Factors of 48 60 = ? Is 17 prime?

GCF & LCM Calculators

GCF Calculator - Find the Greatest Common Factor of two or more numbers
LCM Calculator - Find the Least Common Multiple of numbers

Factors & Prime Numbers

Factors Calculator - Find all factors (divisors) of a number
Prime Factorization - Break down numbers into prime factors
Prime Number Checker - Check if a number is prime

Factorial, Permutations & Combinations

Factorial Calculator - Calculate n! (n factorial)
Permutations Calculator - Calculate P(n,r) arrangements
Combinations Calculator - Calculate C(n,r) selections

Sequences & Other

Fibonacci Calculator - Generate Fibonacci sequence
Modulo Calculator - Find remainder of division
Rounding Calculator - Round numbers to decimal places

Popular Calculations

GCF of 12 and 18 LCM of 4 and 6 Factors of 24 Prime factors of 36 GCF of 24 and 36 LCM of 8 and 12 Factors of 48 Prime factors of 60

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Algebra Calculator - Equations and expressions
Statistics Calculator - Mean, median, mode, and more