It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 155 162 is not a prime number.
For example, 155 162 can be divided by 2: 155 162 / 2 = 77 581.
For 155 162 to be a prime number, it would have been required that 155 162 has only two divisors, i.e., itself and 1.
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155 162 is an even number, because it is evenly divisible by 2: 155 162 / 2 = 77 581.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 155 162 is about 393.906.
Thus, the square root of 155 162 is not an integer, and therefore 155 162 is not a square number.
The square of a number (here 155 162) is the result of the product of this number (155 162) by itself (i.e., 155 162 × 155 162); the square of 155 162 is sometimes called "raising 155 162 to the power 2", or "155 162 squared".
The square of 155 162 is 24 075 246 244 because 155 162 × 155 162 = 155 1622 = 24 075 246 244.
As a consequence, 155 162 is the square root of 24 075 246 244.
The multiples of 155 162 are all integers evenly divisible by 155 162, that is all numbers such that the remainder of the division by 155 162 is zero. There are infinitely many multiples of 155 162. The smallest multiples of 155 162 are: