Primality is the property of a number that indicates whether it is prime or not. Numbers that are not prime, and have more than two factors are known as composite numbers or composites. 1 and 7 are hence the factors of the number 7. The only pair of numbers that can be multiplied with each other to obtain the number 7 is 1, and 7. This means no numbers apart from 1, and the number itself can be multiplied with each other to obtain the number in question.Īn example of a prime number is 7. The specialty of prime numbers lies in the fact that prime numbers are not divisible by any number apart from 1 and themselves. Prime numbers are a special type of natural numbers. Positive numbers which are numbers including and greater than 1 are known as natural numbers. Learn how to check whether a number is prime or not using the Java program. Java Programs for Finding out Prime Number How to Check if a Number is Prime in Java?
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