It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 377 989 is not a prime number.
For example, 377 989 can be divided by 191: 377 989 / 191 = 1 979.
For 377 989 to be a prime number, it would have been required that 377 989 has only two divisors, i.e., itself and 1.
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377 989 is an odd number, because it is not evenly divisible by 2.
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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 377 989 is about 614.808.
Thus, the square root of 377 989 is not an integer, and therefore 377 989 is not a square number.
The square of a number (here 377 989) is the result of the product of this number (377 989) by itself (i.e., 377 989 × 377 989); the square of 377 989 is sometimes called "raising 377 989 to the power 2", or "377 989 squared".
The square of 377 989 is 142 875 684 121 because 377 989 × 377 989 = 377 9892 = 142 875 684 121.
As a consequence, 377 989 is the square root of 142 875 684 121.
The multiples of 377 989 are all integers evenly divisible by 377 989, that is all numbers such that the remainder of the division by 377 989 is zero. There are infinitely many multiples of 377 989. The smallest multiples of 377 989 are: