It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 742 622 974 is not a prime number.
For example, 742 622 974 can be divided by 2: 742 622 974 / 2 = 371 311 487.
For 742 622 974 to be a prime number, it would have been required that 742 622 974 has only two divisors, i.e., itself and 1.
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742 622 974 is an even number, because it is evenly divisible by 2: 742 622 974 / 2 = 371 311 487.
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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 742 622 974 is about 27 251.110.
Thus, the square root of 742 622 974 is not an integer, and therefore 742 622 974 is not a square number.
The square of a number (here 742 622 974) is the result of the product of this number (742 622 974) by itself (i.e., 742 622 974 × 742 622 974); the square of 742 622 974 is sometimes called "raising 742 622 974 to the power 2", or "742 622 974 squared".
The square of 742 622 974 is 551 488 881 512 604 672 because 742 622 974 × 742 622 974 = 742 622 9742 = 551 488 881 512 604 672.
As a consequence, 742 622 974 is the square root of 551 488 881 512 604 672.
742 622 974 is a number with 9 digits.
The multiples of 742 622 974 are all integers evenly divisible by 742 622 974, that is all numbers such that the remainder of the division by 742 622 974 is zero. There are infinitely many multiples of 742 622 974. The smallest multiples of 742 622 974 are: