Find three integers in arithmetic progression whose product is prime.
This problem sounds like a contradiction. How can a product of three integers be prime?
Oh, wait. How about -3, -1, 1? The product is 3. Ha.
Find three integers in arithmetic progression whose product is prime.
This problem sounds like a contradiction. How can a product of three integers be prime?
Oh, wait. How about -3, -1, 1? The product is 3. Ha.