Is 40738111 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 40 738 111 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 40 738 111, the only two divisors are 1 and 40 738 111. Therefore 40 738 111 is a prime number.
As a consequence, 40 738 111 is only a multiple of 1 and 40 738 111.
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Since 40738111 is a prime number, 40738111 is also a deficient number, that is to say 40738111 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 40738111 without 40738111 itself (that is 1, by definition!).