Online Prime Numbers Checker & Table Generator Tool

Prime Numbers Pro

Prime

97 = 97

97 is prime: only divisible by 1 and itself.
Prime factorization: 97

Prime Numbers Table
2
3
5
7
11
13
17
19
23
29
31
37
41
43
47
53
59
61
67
71
73
79
83
89
97
Download Table:

User Guide

  • Enter a number or expression (supports +, -, *, /, ^, !).
  • Calculate: Evaluates the expression and displays result, prime check, factorization, and table.
  • Check Prime: Checks if input is a prime number (supports large numbers with Miller-Rabin test).
  • Next/Previous Prime: Finds the next or previous prime number relative to input.
  • Factorize: Shows the prime factorization of the number.
  • Prime Numbers Table: Generates all primes up to your result (max 10,000 for performance).
  • Download Table: Download the prime table in Excel, CSV, JSON, TXT, or PDF format.
  • Special Primes: Identifies if your number is a Mersenne, Palindromic, Twin, or Sophie Germain prime.
  • Ulam Spiral: Visualizes primes in a spiral pattern (up to 1000).
  • Clear: Resets all fields and outputs.
  • All calculations are explained and highlighted for clarity.
Feature Details
Price Free
Rendering Client-Side Rendering
Language JavaScript
Paywall No

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