Problems

1 – 20 of 20

Problem Title Likes Solvers Difficulty

Problem 46054. Count trailing zeros in a primorial

Created by: ChrisR

Tags primes, number theory, primorial

Problem 49738. Determine whether a prime is Pythagorean

Created by: ChrisR

Tags primes, pythagoras, number theory

Problem 46016. Determine digits of the Copeland-Erdos constant

Created by: ChrisR

Tags numbers, number theory

Problem 46057. Find the last non-zero digit in a primorial

Created by: ChrisR

Tags primes, number theory, primorial

Problem 46111. Evaluate the prime zeta function

Created by: ChrisR

Tags primes, zeta function

Problem 46624. List the emirps

Created by: ChrisR

Tags sequences, primes

Problem 46046. Determine whether a number is a cluster prime

Created by: ChrisR

Tags primes, number theory

Problem 46060. Identify primorial primes

Created by: ChrisR

Tags primes, number theory, primorial

Problem 47950. Test the generalized Legendre conjecture

Created by: ChrisR

Tags primes, conjecture

Problem 45964. Compute the nth Pythagorean prime

Created by: ChrisR

Tags primes, pythagoras, number theory

Problem 46047. Identify Wagstaff primes

Created by: ChrisR

Tags primes

Problem 46594. Create a sequence of primes p such that p > n π(p)

Created by: ChrisR

Tags primes, sequence

Problem 46099. Identify full reptend primes

Created by: ChrisR

Tags primes, number theory

Problem 46117. Test approximations of the prime counting function

Created by: ChrisR

Tags special functions

Problem 46087. Investigate the frequency of last non-zero digits of primorials

Created by: ChrisR

Tags primes, number theory, primorial

Problem 48075. Play PRIMEGAME

Created by: ChrisR

Tags primes, sequence, conway

Problem 45994. Investigate the frequency of last digits of prime numbers

Created by: ChrisR

Tags primes, number theory

Problem 46582. Find jumping medalists

Created by: ChrisR

Tags primes, sorting, number theory

Problem 46701. Compute the nth Naerogahtyp emirp

Created by: ChrisR

Tags primes, pythagoras

Problem 46050. Construct a prime circle

Created by: ChrisR

Tags primes

1 – 20 of 20

Difficulty Rating

Problem Groups

Difficulty Rating

Problem Groups

Problems

Problem 46054. Count trailing zeros in a primorial

Problem 49738. Determine whether a prime is Pythagorean

Problem 46016. Determine digits of the Copeland-Erdos constant

Problem 46057. Find the last non-zero digit in a primorial

Problem 46111. Evaluate the prime zeta function

Problem 46624. List the emirps

Problem 46046. Determine whether a number is a cluster prime

Problem 46060. Identify primorial primes

Problem 47950. Test the generalized Legendre conjecture

Problem 45964. Compute the nth Pythagorean prime

Problem 46047. Identify Wagstaff primes

Problem 46594. Create a sequence of primes p such that p > n π(p)

Problem 46099. Identify full reptend primes

Problem 46117. Test approximations of the prime counting function

Problem 46087. Investigate the frequency of last non-zero digits of primorials

Problem 48075. Play PRIMEGAME

Problem 45994. Investigate the frequency of last digits of prime numbers

Problem 46582. Find jumping medalists

Problem 46701. Compute the nth Naerogahtyp emirp

Problem 46050. Construct a prime circle