In this note we have studied some properties of decimal digits obtained by dividing 1 by primes which have maximum period property, namely, inverses of primes, p, whose decimal representation repeats after p-1. For such primes up to 1000, we have given a method for finding decimal digits ...
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Many thanks to stephan for bringing sieve_wheel_30 to my attention. Credit goes to Robert William Hanks for primesfrom2to, primesfrom3to, rwh_primes, rwh_primes1, and rwh_primes2. Of the plain Python methods tested,with psyco, for n=1000000,rwh_primes1was the fastest tested. +---+...
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 528 Accepted Submission(s): 150 Problem Description All you know Goldbach conjecture.That is to say, Every even integer greater than 2 can be expressed as the sum of two primes. Today,...
Difference Between Primes Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 832 Accepted Submission(s): 267 Problem Description All you know Goldbach conjecture.That is to say, Every even integer greater than 2 can be expressed as...
Primes Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 8959 Accepted Submission(s): 3754 Problem Description Write a program to read in a list of integers and determine whether or not each number is prime. A number, n, is prime if...
Difference Between Primes Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 832 Accepted Submission(s): 267 Problem Description All you know Goldbach conjecture.That is to say, Every even integer greater than 2 can be expressed as the sum...
Primes Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 9888 Accepted Submission(s): 4136 Problem Description Write a program to read in a list of integers and determine whether or not each number is prime. A number, n, is prime if...