It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 740 442 is not a prime number.
For example, 740 442 can be divided by 2: 740 442 / 2 = 370 221.
For 740 442 to be a prime number, it would have been required that 740 442 has only two divisors, i.e., itself and 1.
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740 442 is an even number, because it is evenly divisible by 2: 740 442 / 2 = 370 221.
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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 740 442 is about 860.489.
Thus, the square root of 740 442 is not an integer, and therefore 740 442 is not a square number.
The square of a number (here 740 442) is the result of the product of this number (740 442) by itself (i.e., 740 442 × 740 442); the square of 740 442 is sometimes called "raising 740 442 to the power 2", or "740 442 squared".
The square of 740 442 is 548 254 355 364 because 740 442 × 740 442 = 740 4422 = 548 254 355 364.
As a consequence, 740 442 is the square root of 548 254 355 364.
The multiples of 740 442 are all integers evenly divisible by 740 442, that is all numbers such that the remainder of the division by 740 442 is zero. There are infinitely many multiples of 740 442. The smallest multiples of 740 442 are: