Prime Number Calculator
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Whole number
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Enter any positive integer. The calculator checks primality, finds all factors, and shows neighboring primes.
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Primality
Prime
Prime
Prime factorization
97 (already prime)
Number of divisors
2
All divisors
1, 97
Previous prime
89
Next prime
101
Twin prime partner
No (not part of a twin prime pair)
▸
97 is a prime number.
97 has exactly two positive divisors: 1 and itself, the definition of prime.
The nearest primes on either side are 89 and 101.
Next step
Test the next odd number to look for a twin prime pair.
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