It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 802 516 007 is not a prime number.
For example, 802 516 007 can be divided by 1 033: 802 516 007 / 1033 = 776 879.
For 802 516 007 to be a prime number, it would have been required that 802 516 007 has only two divisors, i.e., itself and 1.
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802 516 007 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 802 516 007 is about 28 328.713.
Thus, the square root of 802 516 007 is not an integer, and therefore 802 516 007 is not a square number.
The square of a number (here 802 516 007) is the result of the product of this number (802 516 007) by itself (i.e., 802 516 007 × 802 516 007); the square of 802 516 007 is sometimes called "raising 802 516 007 to the power 2", or "802 516 007 squared".
The square of 802 516 007 is 644 031 941 491 224 064 because 802 516 007 × 802 516 007 = 802 516 0072 = 644 031 941 491 224 064.
As a consequence, 802 516 007 is the square root of 644 031 941 491 224 064.
802 516 007 is a number with 9 digits.
The multiples of 802 516 007 are all integers evenly divisible by 802 516 007, that is all numbers such that the remainder of the division by 802 516 007 is zero. There are infinitely many multiples of 802 516 007. The smallest multiples of 802 516 007 are: