Prime Number Calculator
Inputs
Prime Number Calculator
Check if a number is prime and list its prime factors.
Primary result
Prime
97
Breakdown
Prime factors97
Formula
Trial division up to √n
If no prime factor exists at or below the square root, the number is prime.
Example
97 is prime
FAQ
Is 1 prime?
No. Primes start at 2.
Related calculators
GCD Calculator
Greatest common divisor (HCF) of integers.
LCM Calculator
Least common multiple of two or more integers.
Fraction Calculator
Add, subtract, multiply, divide and simplify fractions.
Ratio Calculator
Simplify a ratio and scale it to a given part.
Average Calculator
Arithmetic mean of a list of numbers.
Random Number Generator
Generate random integers in a range using crypto-quality randomness when available.