It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 443 742 738 is not a prime number.
For example, 443 742 738 can be divided by 2: 443 742 738 / 2 = 221 871 369.
For 443 742 738 to be a prime number, it would have been required that 443 742 738 has only two divisors, i.e., itself and 1.
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443 742 738 is an even number, because it is evenly divisible by 2: 443 742 738 / 2 = 221 871 369.
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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 443 742 738 is about 21 065.202.
Thus, the square root of 443 742 738 is not an integer, and therefore 443 742 738 is not a square number.
The square of a number (here 443 742 738) is the result of the product of this number (443 742 738) by itself (i.e., 443 742 738 × 443 742 738); the square of 443 742 738 is sometimes called "raising 443 742 738 to the power 2", or "443 742 738 squared".
The square of 443 742 738 is 196 907 617 527 736 640 because 443 742 738 × 443 742 738 = 443 742 7382 = 196 907 617 527 736 640.
As a consequence, 443 742 738 is the square root of 196 907 617 527 736 640.
443 742 738 is a number with 9 digits.
The multiples of 443 742 738 are all integers evenly divisible by 443 742 738, that is all numbers such that the remainder of the division by 443 742 738 is zero. There are infinitely many multiples of 443 742 738. The smallest multiples of 443 742 738 are: