It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 444 427 is not a prime number.
For example, 444 427 can be divided by 353: 444 427 / 353 = 1 259.
For 444 427 to be a prime number, it would have been required that 444 427 has only two divisors, i.e., itself and 1.
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444 427 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 444 427 is about 666.654.
Thus, the square root of 444 427 is not an integer, and therefore 444 427 is not a square number.
The square of a number (here 444 427) is the result of the product of this number (444 427) by itself (i.e., 444 427 × 444 427); the square of 444 427 is sometimes called "raising 444 427 to the power 2", or "444 427 squared".
The square of 444 427 is 197 515 358 329 because 444 427 × 444 427 = 444 4272 = 197 515 358 329.
As a consequence, 444 427 is the square root of 197 515 358 329.
The multiples of 444 427 are all integers evenly divisible by 444 427, that is all numbers such that the remainder of the division by 444 427 is zero. There are infinitely many multiples of 444 427. The smallest multiples of 444 427 are: