What is a prime number?

A prime number is a natural number greater than 1 that has exactly two divisors: 1 and itself.

What is prime factorization?

Prime factorization expresses a composite number as a product of prime numbers. For example, 12 = 2 × 2 × 3.

Check whether a number is prime. Also shows all prime factors if the number is composite.

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Calculate percentages, percentage of a number, and percentage change between two values.

Add, subtract, multiply, and divide fractions. Results are automatically simplified to lowest terms.

Find the Least Common Multiple (LCM) and Highest Common Factor (HCF) of two or more numbers.

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