There are none.
There is no such even number.
It is: 4
The only common factor of 9, 6 and 4 is 1.
9990 is divisible by 9 and is even.
5 and 4 because -5-4 = -9 and -4*-5 = 20
No because 2 and 4 go into 8 3 goes into 9
Just 1.
The largest 4-digit even number is 9998. It is formed by using the highest digits available (9, 9, 9, and 8) while ensuring that the last digit is even, which in this case is 8. Therefore, 9998 is the largest 4-digit number that meets the criteria of being even.
360 is one such number. It is not the smallest, though.
4*9 = 36 so 360 is a possible answer.
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.
Any even number you square will give you a even square number =)