Tools / Prime Number Checker

Prime Number Checker

Check if a number is prime. See all factors, prime factorization, and nearby prime numbers with instant results.

6,500 AI Tokens Used
Feb 2, 2026 Created
mathcalculator
Categories
Quick check:

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 prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29...

How This Tool Was Built

This tool was created entirely by AI. Here's the exact prompt used to generate it:

Prompt Used 
Create a Prime Number Checker tool with these features:

1. Input field for number to check
2. Large result display showing Prime or Not Prime
3. For non-prime numbers show:
   - All factors
   - Prime factorization (e.g., 24 = 2 × 2 × 2 × 3)
4. Show nearby prime numbers (before and after)
5. Quick check buttons for interesting numbers
6. Click on nearby primes to check them
7. Educational info about prime numbers
8. Color-coded results (green for prime, red for not prime)

Make it informative with blue as the accent color.
AI
Claude AI Model
#
6,500 Tokens Used
100%
AI-Generated Code Origin