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.
The multiples of 9 are numbers that can be divided evenly by 9. The two prime numbers closest to a multiple of 9 are 7 and 11. Since 9 is between 7 and 11, the multiple of 9 that is in between these two prime numbers is 9 itself.
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.
prime numbers
2, 3, 5, 7, 9