It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 978 436 004 is not a prime number.
For example, 978 436 004 can be divided by 2: 978 436 004 / 2 = 489 218 002.
For 978 436 004 to be a prime number, it would have been required that 978 436 004 has only two divisors, i.e., itself and 1.
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978 436 004 is an even number, because it is evenly divisible by 2: 978 436 004 / 2 = 489 218 002.
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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 978 436 004 is about 31 279.962.
Thus, the square root of 978 436 004 is not an integer, and therefore 978 436 004 is not a square number.
The square of a number (here 978 436 004) is the result of the product of this number (978 436 004) by itself (i.e., 978 436 004 × 978 436 004); the square of 978 436 004 is sometimes called "raising 978 436 004 to the power 2", or "978 436 004 squared".
The square of 978 436 004 is 957 337 013 923 488 000 because 978 436 004 × 978 436 004 = 978 436 0042 = 957 337 013 923 488 000.
As a consequence, 978 436 004 is the square root of 957 337 013 923 488 000.
978 436 004 is a number with 9 digits.
The multiples of 978 436 004 are all integers evenly divisible by 978 436 004, that is all numbers such that the remainder of the division by 978 436 004 is zero. There are infinitely many multiples of 978 436 004. The smallest multiples of 978 436 004 are: