It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 444 431 is not a prime number.
For example, 444 431 can be divided by 13: 444 431 / 13 = 34 187.
For 444 431 to be a prime number, it would have been required that 444 431 has only two divisors, i.e., itself and 1.
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444 431 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 444 431 is about 666.657.
Thus, the square root of 444 431 is not an integer, and therefore 444 431 is not a square number.
The square of a number (here 444 431) is the result of the product of this number (444 431) by itself (i.e., 444 431 × 444 431); the square of 444 431 is sometimes called "raising 444 431 to the power 2", or "444 431 squared".
The square of 444 431 is 197 518 913 761 because 444 431 × 444 431 = 444 4312 = 197 518 913 761.
As a consequence, 444 431 is the square root of 197 518 913 761.
The multiples of 444 431 are all integers evenly divisible by 444 431, that is all numbers such that the remainder of the division by 444 431 is zero. There are infinitely many multiples of 444 431. The smallest multiples of 444 431 are: