190

Part of 1974 All Soviet Union Mathematical Olympiad

Problems(1)

ASU 190 All Soviet Union MO 1974 min of no in form 36^k - 5^l

Source:

Among all the numbers representable as

36^k - 5^l

k

l

are natural numbers) find the smallest. Prove that it is really the smallest.

minimumalgebranumber theory