Third week homework Two

1. What is the number of conditions that I am looking for in this program?

There is a procedure to find that I must meet between 2 to 31 has a continuous two number of consecutive numbers can not be divisible, I for the addition of these two outside the smallest male number.

2. Does this number exist, and what is the minimum number?

Existence, 2123581660200

3. How much time does it take for a single-core CPU 4.0G Hz, memory and hard disk to run a computer program with sufficient resources?

CPU execution Speed 4*10^9/s, the loop executes approximately 12 times in an outer loop, the computer executes once about 80 cycles, outer loop 2,123,581,660,200 times

2123581660200*12*80/(4*10^9*60) =8500min

Third week homework Two