617

This number is a prime.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

The largest prime factor of 1234 (1234=2*617). Note that the concatenation of the factors of 1234 creates another prime (2617). [Loungrides]

The largest prime of form p^q-r^s, with prime bases, where bases and exponents are consecutive numbers, i.e., 617=5^4-2^3. [Loungrides]