Q&A - General Public
General Public
 
 
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General Public - Q&A
 
What are prime numbers?
A prime number is an integer that is only divisible by one and itself. One is not a prime number. Two is the only even prime; all other primes are odd.
What is a composite number?
An integer which is not prime must be composite. The only exception is the number one. Every composite number greater than two can be represented as a finite product of primes. For example, 4 = 2 × 2 and 6 = 2 × 3.
What are semiprimes?
Semiprimes are composite numbers which consist of only two prime factors. Such factors have the same number of decimal digits but are numerically different. An example of a semiprime is the number 71501. It is the product of 127 and 563 where each prime factor has three decimal digits.
What is number theory?
Number theory is a branch of mathematics that deals with the integers and their properties. Prime numbers are a major concern of number theory.
What is elementary number theory?
Elementary number theory is an area of mathematics that uses principles from arithmetic, geometry and algebra to solve problems in number theory.
  
Here is the full index
What are prime numbers?
What is a composite number?
What are semiprimes?
What is number theory?
What is elementary number theory?
What is theoretical physics?
What is cryptography?
What is meant by “pattern” in mathematics?
What is meant by “random distribution”?
What is experimental mathematics?
What are Mersenne primes?
What is a conjecture?
What is the Goldbach conjecture?
What is computational number theory?
What is an algorithm?
What does RSA stand for?
What is public-key cryptography?
What is cryptanalysis?
What is the integer factorization problem?
What is the Collatz problem?
What is a primality test?
What are Carmichael numbers?
What are twin primes?
What are Gaussian primes?
What are ordinary primes?
What is meant by “formal proof” in mathematics?
What is Mathematica?