It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 376 997 is not a prime number.
For example, 376 997 can be divided by 277: 376 997 / 277 = 1 361.
For 376 997 to be a prime number, it would have been required that 376 997 has only two divisors, i.e., itself and 1.
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376 997 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 376 997 is about 614.001.
Thus, the square root of 376 997 is not an integer, and therefore 376 997 is not a square number.
The square of a number (here 376 997) is the result of the product of this number (376 997) by itself (i.e., 376 997 × 376 997); the square of 376 997 is sometimes called "raising 376 997 to the power 2", or "376 997 squared".
The square of 376 997 is 142 126 738 009 because 376 997 × 376 997 = 376 9972 = 142 126 738 009.
As a consequence, 376 997 is the square root of 142 126 738 009.
The multiples of 376 997 are all integers evenly divisible by 376 997, that is all numbers such that the remainder of the division by 376 997 is zero. There are infinitely many multiples of 376 997. The smallest multiples of 376 997 are: