It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 742 020 008 is not a prime number.
For example, 742 020 008 can be divided by 2: 742 020 008 / 2 = 371 010 004.
For 742 020 008 to be a prime number, it would have been required that 742 020 008 has only two divisors, i.e., itself and 1.
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742 020 008 is an even number, because it is evenly divisible by 2: 742 020 008 / 2 = 371 010 004.
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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 742 020 008 is about 27 240.044.
Thus, the square root of 742 020 008 is not an integer, and therefore 742 020 008 is not a square number.
The square of a number (here 742 020 008) is the result of the product of this number (742 020 008) by itself (i.e., 742 020 008 × 742 020 008); the square of 742 020 008 is sometimes called "raising 742 020 008 to the power 2", or "742 020 008 squared".
The square of 742 020 008 is 550 593 692 272 320 064 because 742 020 008 × 742 020 008 = 742 020 0082 = 550 593 692 272 320 064.
As a consequence, 742 020 008 is the square root of 550 593 692 272 320 064.
742 020 008 is a number with 9 digits.
The multiples of 742 020 008 are all integers evenly divisible by 742 020 008, that is all numbers such that the remainder of the division by 742 020 008 is zero. There are infinitely many multiples of 742 020 008. The smallest multiples of 742 020 008 are: