It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 74 420 012 is not a prime number.
For example, 74 420 012 can be divided by 2: 74 420 012 / 2 = 37 210 006.
For 74 420 012 to be a prime number, it would have been required that 74 420 012 has only two divisors, i.e., itself and 1.
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74 420 012 is an even number, because it is evenly divisible by 2: 74 420 012 / 2 = 37 210 006.
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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 74 420 012 is about 8 626.703.
Thus, the square root of 74 420 012 is not an integer, and therefore 74 420 012 is not a square number.
The square of a number (here 74 420 012) is the result of the product of this number (74 420 012) by itself (i.e., 74 420 012 × 74 420 012); the square of 74 420 012 is sometimes called "raising 74 420 012 to the power 2", or "74 420 012 squared".
The square of 74 420 012 is 5 538 338 186 080 144 because 74 420 012 × 74 420 012 = 74 420 0122 = 5 538 338 186 080 144.
As a consequence, 74 420 012 is the square root of 5 538 338 186 080 144.
74 420 012 is a number with 8 digits.
The multiples of 74 420 012 are all integers evenly divisible by 74 420 012, that is all numbers such that the remainder of the division by 74 420 012 is zero. There are infinitely many multiples of 74 420 012. The smallest multiples of 74 420 012 are: