84

This number is a composite.

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

The smallest integer that can be expressed as the sum of two primes in eight different ways: {5 + 79}, {11 + 73}, {13 + 71}, {17 + 67}, {23 + 61}, {31 + 53}, {37 + 47}, {41 + 43}. [Schiffman]