It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 742 231 is not a prime number.
For example, 742 231 can be divided by 7: 742 231 / 7 = 106 033.
For 742 231 to be a prime number, it would have been required that 742 231 has only two divisors, i.e., itself and 1.
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742 231 is an odd number, because it is not evenly divisible by 2.
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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 742 231 is about 861.528.
Thus, the square root of 742 231 is not an integer, and therefore 742 231 is not a square number.
The square of a number (here 742 231) is the result of the product of this number (742 231) by itself (i.e., 742 231 × 742 231); the square of 742 231 is sometimes called "raising 742 231 to the power 2", or "742 231 squared".
The square of 742 231 is 550 906 857 361 because 742 231 × 742 231 = 742 2312 = 550 906 857 361.
As a consequence, 742 231 is the square root of 550 906 857 361.
The multiples of 742 231 are all integers evenly divisible by 742 231, that is all numbers such that the remainder of the division by 742 231 is zero. There are infinitely many multiples of 742 231. The smallest multiples of 742 231 are: