It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 748 212 is not a prime number.
For example, 748 212 can be divided by 2: 748 212 / 2 = 374 106.
For 748 212 to be a prime number, it would have been required that 748 212 has only two divisors, i.e., itself and 1.
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748 212 is an even number, because it is evenly divisible by 2: 748 212 / 2 = 374 106.
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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 748 212 is about 864.992.
Thus, the square root of 748 212 is not an integer, and therefore 748 212 is not a square number.
The square of a number (here 748 212) is the result of the product of this number (748 212) by itself (i.e., 748 212 × 748 212); the square of 748 212 is sometimes called "raising 748 212 to the power 2", or "748 212 squared".
The square of 748 212 is 559 821 196 944 because 748 212 × 748 212 = 748 2122 = 559 821 196 944.
As a consequence, 748 212 is the square root of 559 821 196 944.
The multiples of 748 212 are all integers evenly divisible by 748 212, that is all numbers such that the remainder of the division by 748 212 is zero. There are infinitely many multiples of 748 212. The smallest multiples of 748 212 are: