It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 938 948 is not a prime number.
For example, 938 948 can be divided by 2: 938 948 / 2 = 469 474.
For 938 948 to be a prime number, it would have been required that 938 948 has only two divisors, i.e., itself and 1.
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938 948 is an even number, because it is evenly divisible by 2: 938 948 / 2 = 469 474.
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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 938 948 is about 968.993.
Thus, the square root of 938 948 is not an integer, and therefore 938 948 is not a square number.
The square of a number (here 938 948) is the result of the product of this number (938 948) by itself (i.e., 938 948 × 938 948); the square of 938 948 is sometimes called "raising 938 948 to the power 2", or "938 948 squared".
The square of 938 948 is 881 623 346 704 because 938 948 × 938 948 = 938 9482 = 881 623 346 704.
As a consequence, 938 948 is the square root of 881 623 346 704.
The multiples of 938 948 are all integers evenly divisible by 938 948, that is all numbers such that the remainder of the division by 938 948 is zero. There are infinitely many multiples of 938 948. The smallest multiples of 938 948 are: