It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 166 337 is not a prime number.
For example, 166 337 can be divided by 41: 166 337 / 41 = 4 057.
For 166 337 to be a prime number, it would have been required that 166 337 has only two divisors, i.e., itself and 1.
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166 337 is an odd number, because it is not evenly divisible by 2.
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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 166 337 is about 407.844.
Thus, the square root of 166 337 is not an integer, and therefore 166 337 is not a square number.
The square of a number (here 166 337) is the result of the product of this number (166 337) by itself (i.e., 166 337 × 166 337); the square of 166 337 is sometimes called "raising 166 337 to the power 2", or "166 337 squared".
The square of 166 337 is 27 667 997 569 because 166 337 × 166 337 = 166 3372 = 27 667 997 569.
As a consequence, 166 337 is the square root of 27 667 997 569.
The multiples of 166 337 are all integers evenly divisible by 166 337, that is all numbers such that the remainder of the division by 166 337 is zero. There are infinitely many multiples of 166 337. The smallest multiples of 166 337 are: