up previous next
PrevPrime, PrevProbPrime

find the previous largest probable prime number

Syntax
PrevPrime(N: INT): INT
PrevProbPrime(N: INT): INT

Description
See NextPrime, PrevPrime , NextProbPrime, PrevProbPrime .

Example
/**/ PrevPrime(100);
97
/**/ PrevProbPrime(10000000000);
9999999967

See Also