Determine the smallest base ten positive palindrome with exactly 4 distinct prime factors.
(In reply to re: SOLUTION+ STRICT DEFINITIONs
It took me about 8 seconds to reach a wrong answer.
I just have intimate knowledge of 999=27*37 and 1001-77*13==> those were the two multiplicationS used to calibrate a(or to verify accuracy of a) SLIDE-RULER (look it up, ). One number is slightly under a 1(000) and the other slightly above.
858 ???- What a surprise!! Never saw this "guy" before.
SO :I needed more time to provide the correct answer..