The possible product can be 94. You need the sum of two prime numbers that is divisible by seven and is a perfect square. A number that is a perfect square and divisible by 7 is number 49 (7^2=49). A prime number is a number that is divisible only by 1 and itself. 49 = 47 + 2 (47 and 2 are prime) 47 × 2 = 94.