It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 749 242 is not a prime number.
For example, 749 242 can be divided by 2: 749 242 / 2 = 374 621.
For 749 242 to be a prime number, it would have been required that 749 242 has only two divisors, i.e., itself and 1.
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749 242 is an even number, because it is evenly divisible by 2: 749 242 / 2 = 374 621.
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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 749 242 is about 865.588.
Thus, the square root of 749 242 is not an integer, and therefore 749 242 is not a square number.
The square of a number (here 749 242) is the result of the product of this number (749 242) by itself (i.e., 749 242 × 749 242); the square of 749 242 is sometimes called "raising 749 242 to the power 2", or "749 242 squared".
The square of 749 242 is 561 363 574 564 because 749 242 × 749 242 = 749 2422 = 561 363 574 564.
As a consequence, 749 242 is the square root of 561 363 574 564.
The multiples of 749 242 are all integers evenly divisible by 749 242, that is all numbers such that the remainder of the division by 749 242 is zero. There are infinitely many multiples of 749 242. The smallest multiples of 749 242 are: