It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 980 828 is not a prime number.
For example, 42 980 828 can be divided by 2: 42 980 828 / 2 = 21 490 414.
For 42 980 828 to be a prime number, it would have been required that 42 980 828 has only two divisors, i.e., itself and 1.
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42 980 828 is an even number, because it is evenly divisible by 2: 42 980 828 / 2 = 21 490 414.
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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 42 980 828 is about 6 555.977.
Thus, the square root of 42 980 828 is not an integer, and therefore 42 980 828 is not a square number.
The square of a number (here 42 980 828) is the result of the product of this number (42 980 828) by itself (i.e., 42 980 828 × 42 980 828); the square of 42 980 828 is sometimes called "raising 42 980 828 to the power 2", or "42 980 828 squared".
The square of 42 980 828 is 1 847 351 575 565 584 because 42 980 828 × 42 980 828 = 42 980 8282 = 1 847 351 575 565 584.
As a consequence, 42 980 828 is the square root of 1 847 351 575 565 584.
42 980 828 is a number with 8 digits.
The multiples of 42 980 828 are all integers evenly divisible by 42 980 828, that is all numbers such that the remainder of the division by 42 980 828 is zero. There are infinitely many multiples of 42 980 828. The smallest multiples of 42 980 828 are: