It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 742 017 402 is not a prime number.
For example, 742 017 402 can be divided by 2: 742 017 402 / 2 = 371 008 701.
For 742 017 402 to be a prime number, it would have been required that 742 017 402 has only two divisors, i.e., itself and 1.
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742 017 402 is an even number, because it is evenly divisible by 2: 742 017 402 / 2 = 371 008 701.
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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 742 017 402 is about 27 239.996.
Thus, the square root of 742 017 402 is not an integer, and therefore 742 017 402 is not a square number.
The square of a number (here 742 017 402) is the result of the product of this number (742 017 402) by itself (i.e., 742 017 402 × 742 017 402); the square of 742 017 402 is sometimes called "raising 742 017 402 to the power 2", or "742 017 402 squared".
The square of 742 017 402 is 550 589 824 870 829 632 because 742 017 402 × 742 017 402 = 742 017 4022 = 550 589 824 870 829 632.
As a consequence, 742 017 402 is the square root of 550 589 824 870 829 632.
742 017 402 is a number with 9 digits.
The multiples of 742 017 402 are all integers evenly divisible by 742 017 402, that is all numbers such that the remainder of the division by 742 017 402 is zero. There are infinitely many multiples of 742 017 402. The smallest multiples of 742 017 402 are: