Is 702729077 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 702 729 077 is a prime number.
Indeed, the definition of a prime numbers is to have exactly two distinct positive divisors, 1 and itself. A number is a divisor of another number when the remainder of Euclid’s division of the second one by the first one is zero. Concerning the number 702 729 077, the only two divisors are 1 and 702 729 077. Therefore 702 729 077 is a prime number.
As a consequence, 702 729 077 is only a multiple of 1 and 702 729 077.
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Since 702729077 is a prime number, 702729077 is also a deficient number, that is to say 702729077 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 702729077 without 702729077 itself (that is 1, by definition!).