It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 742 938 is not a prime number.
For example, 742 938 can be divided by 2: 742 938 / 2 = 371 469.
For 742 938 to be a prime number, it would have been required that 742 938 has only two divisors, i.e., itself and 1.
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742 938 is an even number, because it is evenly divisible by 2: 742 938 / 2 = 371 469.
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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 742 938 is about 861.939.
Thus, the square root of 742 938 is not an integer, and therefore 742 938 is not a square number.
The square of a number (here 742 938) is the result of the product of this number (742 938) by itself (i.e., 742 938 × 742 938); the square of 742 938 is sometimes called "raising 742 938 to the power 2", or "742 938 squared".
The square of 742 938 is 551 956 871 844 because 742 938 × 742 938 = 742 9382 = 551 956 871 844.
As a consequence, 742 938 is the square root of 551 956 871 844.
The multiples of 742 938 are all integers evenly divisible by 742 938, that is all numbers such that the remainder of the division by 742 938 is zero. There are infinitely many multiples of 742 938. The smallest multiples of 742 938 are: