It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 169 169 is not a prime number.
For example, 169 169 can be divided by 7: 169 169 / 7 = 24 167.
For 169 169 to be a prime number, it would have been required that 169 169 has only two divisors, i.e., itself and 1.
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169 169 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 169 169 is about 411.302.
Thus, the square root of 169 169 is not an integer, and therefore 169 169 is not a square number.
The square of a number (here 169 169) is the result of the product of this number (169 169) by itself (i.e., 169 169 × 169 169); the square of 169 169 is sometimes called "raising 169 169 to the power 2", or "169 169 squared".
The square of 169 169 is 28 618 150 561 because 169 169 × 169 169 = 169 1692 = 28 618 150 561.
As a consequence, 169 169 is the square root of 28 618 150 561.
The multiples of 169 169 are all integers evenly divisible by 169 169, that is all numbers such that the remainder of the division by 169 169 is zero. There are infinitely many multiples of 169 169. The smallest multiples of 169 169 are: