Prime Number Calculator
Check if a number is prime, generate prime numbers, or find the nth prime number
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17
is a Prime Number
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13
Next Prime
19
About Prime Numbers
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. The first few primes are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29...
Calculator Created & Verified By
Aleph Sterling
Lead Developer, MyCalcBuddy
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Formula Source: Handbook of Mathematical Functions
by Abramowitz & Stegun
🔄Last reviewed: May 2026
✓Formula accuracy verified against standard references
Transparency Note: "Aleph Sterling" is a pen name. While I maintain privacy, all formulas are sourced from verified references and cross-checked for accuracy. No credentials are claimed - only cited sources.
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