It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 74 722 is not a prime number.
For example, 74 722 can be divided by 2: 74 722 / 2 = 37 361.
For 74 722 to be a prime number, it would have been required that 74 722 has only two divisors, i.e., itself and 1.
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74 722 is an even number, because it is evenly divisible by 2: 74 722 / 2 = 37 361.
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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 74 722 is about 273.353.
Thus, the square root of 74 722 is not an integer, and therefore 74 722 is not a square number.
The square of a number (here 74 722) is the result of the product of this number (74 722) by itself (i.e., 74 722 × 74 722); the square of 74 722 is sometimes called "raising 74 722 to the power 2", or "74 722 squared".
The square of 74 722 is 5 583 377 284 because 74 722 × 74 722 = 74 7222 = 5 583 377 284.
As a consequence, 74 722 is the square root of 5 583 377 284.
The multiples of 74 722 are all integers evenly divisible by 74 722, that is all numbers such that the remainder of the division by 74 722 is zero. There are infinitely many multiples of 74 722. The smallest multiples of 74 722 are: