perfect number
a number is called
a perfect number if
all its factors add up
to twice or itself
prime and composite number
prime number
twin primes
the number
s having a
difference of
2 are known
as twin primes
coprime
2 numbers are said to be
coprime if they have only
1 as the common factor.
2 factors:
1 & number
it self
common
factors
highest
common
factor
methods of
finding the
HCF of numbers
common
division
prime
factorization
division
long
division
prime factorization
division
method
factor tree
method
composite number
more than 2 factors
common multiples
lowest common multiple
methods of finding LCM
division
prime factorization
Subtopic