Perfect 1.9

Perfect 1.9 Screenshot Perfect is a free and reliable MS Windows program that can compute a perfect number from q , the exponent in a Mersenne prime M(q) = 2^q - 1.

Developer:   Harry J. Smith
      software by Harry J. Smith →
Price:  0.00
License:   Freeware
File size:   0K
Language:   
OS:   Windows Vista (?)
Rating:   0 /5 (0 votes)

Perfect is a free and reliable MS Windows program that can compute a perfect number from q , the exponent in a Mersenne prime M(q) = 2^q - 1. When q = 859433 the 517430-digit number is computed and stored on disk in about 5 minutes on a 33 MHz i486 machine.
A number is called perfect if it is equal to the sum of its divisors.
Six is perfect: 6 = 1 + 2 + 3.
28 is perfect: 28 = 1 + 2 + 4 + 7 + 14.

M(n) = 2^n - 1 is called a Mersenne number.
If M(q) = is prime then it is called a Mersenne prime and q will be prime also.
If q makes a Mersenne prime then P(q) = 2^(q-1) * (2^q - 1) is a Perfect number.

All Borland C++ source files are included.




Softpe

tags mersenne prime  prime then  perfect number  

Perfect 1.9 screenshot


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