It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 377 402 is not a prime number.
For example, 377 402 can be divided by 2: 377 402 / 2 = 188 701.
For 377 402 to be a prime number, it would have been required that 377 402 has only two divisors, i.e., itself and 1.
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377 402 is an even number, because it is evenly divisible by 2: 377 402 / 2 = 188 701.
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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 377 402 is about 614.331.
Thus, the square root of 377 402 is not an integer, and therefore 377 402 is not a square number.
The square of a number (here 377 402) is the result of the product of this number (377 402) by itself (i.e., 377 402 × 377 402); the square of 377 402 is sometimes called "raising 377 402 to the power 2", or "377 402 squared".
The square of 377 402 is 142 432 269 604 because 377 402 × 377 402 = 377 4022 = 142 432 269 604.
As a consequence, 377 402 is the square root of 142 432 269 604.
The multiples of 377 402 are all integers evenly divisible by 377 402, that is all numbers such that the remainder of the division by 377 402 is zero. There are infinitely many multiples of 377 402. The smallest multiples of 377 402 are: