It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 421 148 is not a prime number.
For example, 488 421 148 can be divided by 2: 488 421 148 / 2 = 244 210 574.
For 488 421 148 to be a prime number, it would have been required that 488 421 148 has only two divisors, i.e., itself and 1.
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488 421 148 is an even number, because it is evenly divisible by 2: 488 421 148 / 2 = 244 210 574.
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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 488 421 148 is about 22 100.252.
Thus, the square root of 488 421 148 is not an integer, and therefore 488 421 148 is not a square number.
The square of a number (here 488 421 148) is the result of the product of this number (488 421 148) by itself (i.e., 488 421 148 × 488 421 148); the square of 488 421 148 is sometimes called "raising 488 421 148 to the power 2", or "488 421 148 squared".
The square of 488 421 148 is 238 555 217 813 637 888 because 488 421 148 × 488 421 148 = 488 421 1482 = 238 555 217 813 637 888.
As a consequence, 488 421 148 is the square root of 238 555 217 813 637 888.
488 421 148 is a number with 9 digits.
The multiples of 488 421 148 are all integers evenly divisible by 488 421 148, that is all numbers such that the remainder of the division by 488 421 148 is zero. There are infinitely many multiples of 488 421 148. The smallest multiples of 488 421 148 are: