That would be a square.
If the number that was multiplied by itself is an integer, it would be a perfect square,
a square
Multiple, Prime?
Assuming that the question relates only to integers. 149 is a prime number and by definition its only factors are 1 and itself. Therefore the only number that goes into 149 and 12 is 1.
Any of its factors including itself and as a product of its prime factors: 3*23*83 = 5727
Any number goes into itself exactly 1 time.
Any of its factors including itself.
No 617 is a prime number. No number goes into it but 1 and itself.
Itself and one because 181 is a prime number
Since it is a prime number, on 1 and itself (277).
Itself and one because 857 is a prime number
Any of its factors including itself
Any of its factors including itself
Any of its factors including itself