Program Listing:

Program Lines:

Description

(In ALG mode)

 

  

This routine displays prime number P.

  

 

Checksum and length: 2CC5 6

  

This routine adds 2 to P.

  

 

Checksum and length: EFB2 9

  

This routine stores the input value for P.

  

 

 

 

 

 

 

 

 

Tests for even input

 

Increments P if input an even number.

 

Stores 3 in test divisor, D

Checksum and length: EA89 47

  

This routine tests P to see if it is prime.

 

Finds the fractional part of P D.

 

Tests for a remainder of zero (not prime).

  

If the number is not prime, tries next possibility.

 

 

 

 

 

 

 >

Tests to see whether all possible factors have been tried.

  

If all factors have been tried, branches to the display

 

routine.

 

 

  

Branches to test potential prime with new factor.

Checksum and length: C6B5 53

Miscellaneous Programs and Equations 17-9

Page 279
Image 279
HP 35s Scientific manual Tests to see whether all possible factors have been tried