It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 977 402 is not a prime number.
For example, 977 402 can be divided by 2: 977 402 / 2 = 488 701.
For 977 402 to be a prime number, it would have been required that 977 402 has only two divisors, i.e., itself and 1.
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977 402 is an even number, because it is evenly divisible by 2: 977 402 / 2 = 488 701.
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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 977 402 is about 988.636.
Thus, the square root of 977 402 is not an integer, and therefore 977 402 is not a square number.
The square of a number (here 977 402) is the result of the product of this number (977 402) by itself (i.e., 977 402 × 977 402); the square of 977 402 is sometimes called "raising 977 402 to the power 2", or "977 402 squared".
The square of 977 402 is 955 314 669 604 because 977 402 × 977 402 = 977 4022 = 955 314 669 604.
As a consequence, 977 402 is the square root of 955 314 669 604.
The multiples of 977 402 are all integers evenly divisible by 977 402, that is all numbers such that the remainder of the division by 977 402 is zero. There are infinitely many multiples of 977 402. The smallest multiples of 977 402 are: