It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 121 167 is not a prime number.
For example, 121 167 can be divided by 3: 121 167 / 3 = 40 389.
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For 121 167 to be a prime number, it would have been required that 121 167 has only two divisors, i.e., itself and 1.
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121 167 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 121 167 is about 348.091.
Thus, the square root of 121 167 is not an integer, and therefore 121 167 is not a square number.
The square of a number (here 121 167) is the result of the product of this number (121 167) by itself (i.e., 121 167 × 121 167); the square of 121 167 is sometimes called "raising 121 167 to the power 2", or "121 167 squared".
The square of 121 167 is 14 681 441 889 because 121 167 × 121 167 = 121 1672 = 14 681 441 889.
As a consequence, 121 167 is the square root of 14 681 441 889.
The multiples of 121 167 are all integers evenly divisible by 121 167, that is all numbers such that the remainder of the division by 121 167 is zero. There are infinitely many multiples of 121 167. The smallest multiples of 121 167 are: