Pls tell what are
1. Co-prime numbers
2. Perfect numbers
3. Twin primes
4. Prime-triplets
Pls explain this in a simple language and with an example????
Dear Student,
1. Co-prime numbers are numbers who have only 1 as a common factor. Therefore, HCF of such numbers is 1.
2. A perfect number 'n' is a positive integer which is equal to the sum of its factors, excluding 'n' itself.
3. If only one composite number is present between two prime numbers, then such numbers are called twin prime numbers. So, the difference between twin prime numbers is always two.
4. A set of three consecutive prime numbers, differing by 2 is called a prime triplet.
Regards,
1. Co-prime numbers are numbers who have only 1 as a common factor. Therefore, HCF of such numbers is 1.
2. A perfect number 'n' is a positive integer which is equal to the sum of its factors, excluding 'n' itself.
3. If only one composite number is present between two prime numbers, then such numbers are called twin prime numbers. So, the difference between twin prime numbers is always two.
4. A set of three consecutive prime numbers, differing by 2 is called a prime triplet.
Regards,