It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 428 677 is not a prime number.
For example, 120 428 677 can be divided by 29: 120 428 677 / 29 = 4 152 713.
For 120 428 677 to be a prime number, it would have been required that 120 428 677 has only two divisors, i.e., itself and 1.
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120 428 677 is an odd number, because it is not evenly divisible by 2.
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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 120 428 677 is about 10 974.000.
Thus, the square root of 120 428 677 is not an integer, and therefore 120 428 677 is not a square number.
The square of a number (here 120 428 677) is the result of the product of this number (120 428 677) by itself (i.e., 120 428 677 × 120 428 677); the square of 120 428 677 is sometimes called "raising 120 428 677 to the power 2", or "120 428 677 squared".
The square of 120 428 677 is 14 503 066 243 970 328 because 120 428 677 × 120 428 677 = 120 428 6772 = 14 503 066 243 970 328.
As a consequence, 120 428 677 is the square root of 14 503 066 243 970 328.
120 428 677 is a number with 9 digits.
The multiples of 120 428 677 are all integers evenly divisible by 120 428 677, that is all numbers such that the remainder of the division by 120 428 677 is zero. There are infinitely many multiples of 120 428 677. The smallest multiples of 120 428 677 are: