Prime numbers are positive integers greater than 1 that have only two factors 1 and the number itself. They cannot be divided evenly by any other number. Examples include 2 3 5 7 11 and 13. 2 is the only ...
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A composite number is a positive integer greater than 1 that has more than two factors. Unlike prime numbers which have only two factors 1 and the number itself composite numbers have additional factors. For example 6 is composite because ...
A composite number is a positive integer greater than 1 that has more than two factors. Unlike prime numbers which have only two factors 1 and the number itself composite numbers have additional factors. For example 6 is composite because ...
A perfect number is a positive integer that is equal to the sum of its proper divisors excluding itself. For example 6 is a perfect number because its divisors are 1 2 and 3 and 1 + 2 + 3 ...
Factors are numbers that divide another number exactly without leaving a remainder. For example the factors of 12 are 1 2 3 4 6 and 12. Every number has at least two factors 1 and itself. Factors are important for ...