It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 743 956 018 is not a prime number.
For example, 743 956 018 can be divided by 2: 743 956 018 / 2 = 371 978 009.
For 743 956 018 to be a prime number, it would have been required that 743 956 018 has only two divisors, i.e., itself and 1.
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743 956 018 is an even number, because it is evenly divisible by 2: 743 956 018 / 2 = 371 978 009.
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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 743 956 018 is about 27 275.557.
Thus, the square root of 743 956 018 is not an integer, and therefore 743 956 018 is not a square number.
The square of a number (here 743 956 018) is the result of the product of this number (743 956 018) by itself (i.e., 743 956 018 × 743 956 018); the square of 743 956 018 is sometimes called "raising 743 956 018 to the power 2", or "743 956 018 squared".
The square of 743 956 018 is 553 470 556 718 416 320 because 743 956 018 × 743 956 018 = 743 956 0182 = 553 470 556 718 416 320.
As a consequence, 743 956 018 is the square root of 553 470 556 718 416 320.
743 956 018 is a number with 9 digits.
The multiples of 743 956 018 are all integers evenly divisible by 743 956 018, that is all numbers such that the remainder of the division by 743 956 018 is zero. There are infinitely many multiples of 743 956 018. The smallest multiples of 743 956 018 are: