experimental-projects/oeis-research/Lekraj Beedassy/LCM primes/lcm_p_plus_1.sf

#!/usr/bin/ruby

# Primes p such that lcm(1,2,3,...,p-2,p-1,p) + 1 is prime.
# https://oeis.org/A154525

# Terms found: 55291

# From: 55351

for (var p = 55351; true; p.next_prime!) {
    say "Testing: #{p}"
    var c = consecutive_lcm(p)
    if (c+1 -> is_prob_prime) {
        die "Found: #{p}"
    }
}