It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 397 026 008 is not a prime number.
For example, 397 026 008 can be divided by 2: 397 026 008 / 2 = 198 513 004.
For 397 026 008 to be a prime number, it would have been required that 397 026 008 has only two divisors, i.e., itself and 1.
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397 026 008 is an even number, because it is evenly divisible by 2: 397 026 008 / 2 = 198 513 004.
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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 397 026 008 is about 19 925.511.
Thus, the square root of 397 026 008 is not an integer, and therefore 397 026 008 is not a square number.
The square of a number (here 397 026 008) is the result of the product of this number (397 026 008) by itself (i.e., 397 026 008 × 397 026 008); the square of 397 026 008 is sometimes called "raising 397 026 008 to the power 2", or "397 026 008 squared".
The square of 397 026 008 is 157 629 651 028 416 064 because 397 026 008 × 397 026 008 = 397 026 0082 = 157 629 651 028 416 064.
As a consequence, 397 026 008 is the square root of 157 629 651 028 416 064.
397 026 008 is a number with 9 digits.
The multiples of 397 026 008 are all integers evenly divisible by 397 026 008, that is all numbers such that the remainder of the division by 397 026 008 is zero. There are infinitely many multiples of 397 026 008. The smallest multiples of 397 026 008 are: