It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 742 726 007 is not a prime number.
For example, 742 726 007 can be divided by 47: 742 726 007 / 47 = 15 802 681.
For 742 726 007 to be a prime number, it would have been required that 742 726 007 has only two divisors, i.e., itself and 1.
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742 726 007 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 742 726 007 is about 27 253.000.
Thus, the square root of 742 726 007 is not an integer, and therefore 742 726 007 is not a square number.
The square of a number (here 742 726 007) is the result of the product of this number (742 726 007) by itself (i.e., 742 726 007 × 742 726 007); the square of 742 726 007 is sometimes called "raising 742 726 007 to the power 2", or "742 726 007 squared".
The square of 742 726 007 is 551 641 921 474 164 032 because 742 726 007 × 742 726 007 = 742 726 0072 = 551 641 921 474 164 032.
As a consequence, 742 726 007 is the square root of 551 641 921 474 164 032.
742 726 007 is a number with 9 digits.
The multiples of 742 726 007 are all integers evenly divisible by 742 726 007, that is all numbers such that the remainder of the division by 742 726 007 is zero. There are infinitely many multiples of 742 726 007. The smallest multiples of 742 726 007 are: