1. Primes by type
  2. Weakly primes
  3. Up to 640731

Weakly primes up to 640731

Weakly primes: Primes that having any one of their (base 10) digits changed to any other value will always result in a composite number.

There is 4 weakly primes smaller than 640731.

Checkout weakly primes up to: 100, 500, 1000, 10000.

List#

294001, 505447, 584141, 604171

Table#

 1234
1 - 4294001505447584141604171
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