Co-prime numbers can be prime or composite, but the only condition is that the Greatest Common Factor (GCF) of co-prime numbers is always 1. Prime numbers do not have any such condition. If a pair of numbers has no common factor apart from 1, then the numbers are called co-prime numbers. Co-prime numbers are always considered in pairs, while a prime number is a single number. 
The following points list the difference between prime and co-prime numbers. There is a difference between prime numbers and co-prime numbers. Numbers greater than 1 having at least three factorsĢ is the smallest and the only even prime numberĮxamples of prime numbers are 2, 3, 5, 7, 11, 13, and so on.Įxamples of composite numbers are 4, 6, 8, 9, 10, and so on. Numbers, greater than 1, having only two factors, 1 and the number itself
Let us understand the difference between prime numbers and composite numbers with the help of the table given below: For example, 4 can be factorized in multiple ways. A composite number is a number greater than 1 that has more than two factors.It has only two factors, which are, 1 and 5. For example, 5 can be factorized in only one way, that is, 1 × 5 (OR) 5 × 1.
A prime number is a number greater than 1 that has exactly two factors, while a composite number has more than two factors. " Prime Number." From MathWorld-A Wolfram Web Resource. 51 is aĬomposite number and can be factored by any of the following numbers: 1, 3, 17, 51.įor a list of the first 1000 prime numbers see our See Is 51 a prime number? No, 51 is NOT a prime number because it has more than two factors. Prime number because it only has two factors, 1 and 17. Prime number because it only has two factors, 1 and 2. In other words, a prime number only has two factors, 1 and itself. What is a Prime Number?Ī prime number is any integer, or whole number, greater than 1 that is only divisible by 1 and itself. Test for a prime number for any integer, or whole number, less than 10,000,000,000,000 (less than 10 trillion or a maximum of 13 digits). Factorization or decomposition of composite numbers can be done on the If it is composite the calculator will also find all of the factors of the composite number. This prime number calculator will find if a number is prime or composite.
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