There are 8 prime numbers between 10 and 40: 11 13 17 19 23 29 31 37.
Chat with our AI personalities
There are 4 prime numbers between 20 and 40.
'Relatively Prime' simply means that two numbers have no common factors except 1 between each other. For example, two prime numbers would have no common factors between them. i.e., look at 3 and 10. There are no common factors between these 2 numbers.
There are 10 square numbers
10 numbers
There are 90 such numbers.