It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 211 131 is not a prime number.
For example, 211 131 can be divided by 3: 211 131 / 3 = 70 377.
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For 211 131 to be a prime number, it would have been required that 211 131 has only two divisors, i.e., itself and 1.
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211 131 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 211 131 is about 459.490.
Thus, the square root of 211 131 is not an integer, and therefore 211 131 is not a square number.
The square of a number (here 211 131) is the result of the product of this number (211 131) by itself (i.e., 211 131 × 211 131); the square of 211 131 is sometimes called "raising 211 131 to the power 2", or "211 131 squared".
The square of 211 131 is 44 576 299 161 because 211 131 × 211 131 = 211 1312 = 44 576 299 161.
As a consequence, 211 131 is the square root of 44 576 299 161.
The multiples of 211 131 are all integers evenly divisible by 211 131, that is all numbers such that the remainder of the division by 211 131 is zero. There are infinitely many multiples of 211 131. The smallest multiples of 211 131 are: