3 multiplied by itself (3x3) makes 9.
7,2
No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.
2, 3, 5 are prime numbers but 9 is not a prime number
7 is a prime number but 9 is a composite number
9 is not a prime. 73 is a prime.
Prime numbers from 1 to 9 are: 2 3 5 and 7
Multiply 9 by two different numbers (9 x a, and 9 x b). Make the two numbers, a and b, relatively prime. For example, one of them can be 1; or just choose two different prime numbers.
16 - 9 = 7.
Every 9-digit combination of those numbers is a multiple of 3. None of them will be prime.
2, 3, 5, 7, 9
prime numbers
The prime numbers from 1 to 9 are 2, 3, 5 and 7.