It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 122 902 742 is not a prime number.
For example, 122 902 742 can be divided by 2: 122 902 742 / 2 = 61 451 371.
For 122 902 742 to be a prime number, it would have been required that 122 902 742 has only two divisors, i.e., itself and 1.
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122 902 742 is an even number, because it is evenly divisible by 2: 122 902 742 / 2 = 61 451 371.
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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 122 902 742 is about 11 086.151.
Thus, the square root of 122 902 742 is not an integer, and therefore 122 902 742 is not a square number.
The square of a number (here 122 902 742) is the result of the product of this number (122 902 742) by itself (i.e., 122 902 742 × 122 902 742); the square of 122 902 742 is sometimes called "raising 122 902 742 to the power 2", or "122 902 742 squared".
The square of 122 902 742 is 15 105 083 991 118 564 because 122 902 742 × 122 902 742 = 122 902 7422 = 15 105 083 991 118 564.
As a consequence, 122 902 742 is the square root of 15 105 083 991 118 564.
122 902 742 is a number with 9 digits.
The multiples of 122 902 742 are all integers evenly divisible by 122 902 742, that is all numbers such that the remainder of the division by 122 902 742 is zero. There are infinitely many multiples of 122 902 742. The smallest multiples of 122 902 742 are: