Break any whole number into its prime factors, shown in exponent form. Instant, in your browser.
It expresses a number as a product of prime numbers — for example 360 = 2 × 2 × 2 × 3 × 3 × 5, written compactly as 2³ × 3² × 5.
Up to 10,000,000,000,000 (10¹³). It uses trial division, which is instant for numbers in this range.
If the factorization is just the number itself, it has no smaller prime factors — so it's prime. The tool labels these for you.