It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 153 is not a prime number.
For example, 988 153 can be divided by 233: 988 153 / 233 = 4 241.
For 988 153 to be a prime number, it would have been required that 988 153 has only two divisors, i.e., itself and 1.
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988 153 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 988 153 is about 994.059.
Thus, the square root of 988 153 is not an integer, and therefore 988 153 is not a square number.
The square of a number (here 988 153) is the result of the product of this number (988 153) by itself (i.e., 988 153 × 988 153); the square of 988 153 is sometimes called "raising 988 153 to the power 2", or "988 153 squared".
The square of 988 153 is 976 446 351 409 because 988 153 × 988 153 = 988 1532 = 976 446 351 409.
As a consequence, 988 153 is the square root of 976 446 351 409.
The multiples of 988 153 are all integers evenly divisible by 988 153, that is all numbers such that the remainder of the division by 988 153 is zero. There are infinitely many multiples of 988 153. The smallest multiples of 988 153 are: