It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 742 020 007 is not a prime number.
For example, 742 020 007 can be divided by 109: 742 020 007 / 109 = 6 807 523.
For 742 020 007 to be a prime number, it would have been required that 742 020 007 has only two divisors, i.e., itself and 1.
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742 020 007 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 742 020 007 is about 27 240.044.
Thus, the square root of 742 020 007 is not an integer, and therefore 742 020 007 is not a square number.
The square of a number (here 742 020 007) is the result of the product of this number (742 020 007) by itself (i.e., 742 020 007 × 742 020 007); the square of 742 020 007 is sometimes called "raising 742 020 007 to the power 2", or "742 020 007 squared".
The square of 742 020 007 is 550 593 690 788 280 064 because 742 020 007 × 742 020 007 = 742 020 0072 = 550 593 690 788 280 064.
As a consequence, 742 020 007 is the square root of 550 593 690 788 280 064.
742 020 007 is a number with 9 digits.
The multiples of 742 020 007 are all integers evenly divisible by 742 020 007, that is all numbers such that the remainder of the division by 742 020 007 is zero. There are infinitely many multiples of 742 020 007. The smallest multiples of 742 020 007 are: