Is 243016937 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 243 016 937 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 243 016 937, the only two divisors are 1 and 243 016 937. Therefore 243 016 937 is a prime number.
As a consequence, 243 016 937 is only a multiple of 1 and 243 016 937.
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Since 243016937 is a prime number, 243016937 is also a deficient number, that is to say 243016937 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 243016937 without 243016937 itself (that is 1, by definition!).