Is 988736377 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 988 736 377 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 988 736 377, the only two divisors are 1 and 988 736 377. Therefore 988 736 377 is a prime number.
As a consequence, 988 736 377 is only a multiple of 1 and 988 736 377.
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Since 988736377 is a prime number, 988736377 is also a deficient number, that is to say 988736377 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 988736377 without 988736377 itself (that is 1, by definition!).