It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 438 244 988 is not a prime number.
For example, 438 244 988 can be divided by 2: 438 244 988 / 2 = 219 122 494.
For 438 244 988 to be a prime number, it would have been required that 438 244 988 has only two divisors, i.e., itself and 1.
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438 244 988 is an even number, because it is evenly divisible by 2: 438 244 988 / 2 = 219 122 494.
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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 438 244 988 is about 20 934.302.
Thus, the square root of 438 244 988 is not an integer, and therefore 438 244 988 is not a square number.
The square of a number (here 438 244 988) is the result of the product of this number (438 244 988) by itself (i.e., 438 244 988 × 438 244 988); the square of 438 244 988 is sometimes called "raising 438 244 988 to the power 2", or "438 244 988 squared".
The square of 438 244 988 is 192 058 669 507 120 128 because 438 244 988 × 438 244 988 = 438 244 9882 = 192 058 669 507 120 128.
As a consequence, 438 244 988 is the square root of 192 058 669 507 120 128.
438 244 988 is a number with 9 digits.
The multiples of 438 244 988 are all integers evenly divisible by 438 244 988, that is all numbers such that the remainder of the division by 438 244 988 is zero. There are infinitely many multiples of 438 244 988. The smallest multiples of 438 244 988 are: