It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 748 738 628 is not a prime number.
For example, 748 738 628 can be divided by 2: 748 738 628 / 2 = 374 369 314.
For 748 738 628 to be a prime number, it would have been required that 748 738 628 has only two divisors, i.e., itself and 1.
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748 738 628 is an even number, because it is evenly divisible by 2: 748 738 628 / 2 = 374 369 314.
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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 748 738 628 is about 27 363.089.
Thus, the square root of 748 738 628 is not an integer, and therefore 748 738 628 is not a square number.
The square of a number (here 748 738 628) is the result of the product of this number (748 738 628) by itself (i.e., 748 738 628 × 748 738 628); the square of 748 738 628 is sometimes called "raising 748 738 628 to the power 2", or "748 738 628 squared".
The square of 748 738 628 is 560 609 533 059 322 368 because 748 738 628 × 748 738 628 = 748 738 6282 = 560 609 533 059 322 368.
As a consequence, 748 738 628 is the square root of 560 609 533 059 322 368.
748 738 628 is a number with 9 digits.
The multiples of 748 738 628 are all integers evenly divisible by 748 738 628, that is all numbers such that the remainder of the division by 748 738 628 is zero. There are infinitely many multiples of 748 738 628. The smallest multiples of 748 738 628 are: