It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 788 274 948 is not a prime number.
For example, 788 274 948 can be divided by 2: 788 274 948 / 2 = 394 137 474.
For 788 274 948 to be a prime number, it would have been required that 788 274 948 has only two divisors, i.e., itself and 1.
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788 274 948 is an even number, because it is evenly divisible by 2: 788 274 948 / 2 = 394 137 474.
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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 788 274 948 is about 28 076.235.
Thus, the square root of 788 274 948 is not an integer, and therefore 788 274 948 is not a square number.
The square of a number (here 788 274 948) is the result of the product of this number (788 274 948) by itself (i.e., 788 274 948 × 788 274 948); the square of 788 274 948 is sometimes called "raising 788 274 948 to the power 2", or "788 274 948 squared".
The square of 788 274 948 is 621 377 393 644 402 688 because 788 274 948 × 788 274 948 = 788 274 9482 = 621 377 393 644 402 688.
As a consequence, 788 274 948 is the square root of 621 377 393 644 402 688.
788 274 948 is a number with 9 digits.
The multiples of 788 274 948 are all integers evenly divisible by 788 274 948, that is all numbers such that the remainder of the division by 788 274 948 is zero. There are infinitely many multiples of 788 274 948. The smallest multiples of 788 274 948 are: