7 is a prime number but 9 is a composite number
No, a prime number is a number where it can only fit into itself and 1.For example:7 7x1=7 1x7=7 7. No 9 isn't a prime number because 3x3=9 No 27 isn't a prime number because 9x3=27.
7, yes. 9, no.
Yes, a prime number can be used in a fraction. For example, 7/9, where 7 is the prime number. Or 7/13, where both are prime numbers.
7
9 is not a prime number as it is divisible by 3
No, as 63 = 7 x 9 and then is not a prime number
The prime numbers are 3 and 7 but 1 is not considered to be a prime or a composite number
7
next prime number would be 11
The number 2359 is divisible by 7 and therefore not prime.
5 and 7 are prime numbers. and 3 goes into 9, so the only number that goes into 5, 7, and 9 is 1. They are what we call "relatively prime", even though 9 is not prime, because they have no common factors other than 1.