It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 76 880 016 is not a prime number.
For example, 76 880 016 can be divided by 2: 76 880 016 / 2 = 38 440 008.
For 76 880 016 to be a prime number, it would have been required that 76 880 016 has only two divisors, i.e., itself and 1.
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76 880 016 is an even number, because it is evenly divisible by 2: 76 880 016 / 2 = 38 440 008.
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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 76 880 016 is about 8 768.125.
Thus, the square root of 76 880 016 is not an integer, and therefore 76 880 016 is not a square number.
The square of a number (here 76 880 016) is the result of the product of this number (76 880 016) by itself (i.e., 76 880 016 × 76 880 016); the square of 76 880 016 is sometimes called "raising 76 880 016 to the power 2", or "76 880 016 squared".
The square of 76 880 016 is 5 910 536 860 160 256 because 76 880 016 × 76 880 016 = 76 880 0162 = 5 910 536 860 160 256.
As a consequence, 76 880 016 is the square root of 5 910 536 860 160 256.
76 880 016 is a number with 8 digits.
The multiples of 76 880 016 are all integers evenly divisible by 76 880 016, that is all numbers such that the remainder of the division by 76 880 016 is zero. There are infinitely many multiples of 76 880 016. The smallest multiples of 76 880 016 are: