Is 40330729 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 40 330 729 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 40 330 729, the only two divisors are 1 and 40 330 729. Therefore 40 330 729 is a prime number.
As a consequence, 40 330 729 is only a multiple of 1 and 40 330 729.
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Since 40330729 is a prime number, 40330729 is also a deficient number, that is to say 40330729 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 40330729 without 40330729 itself (that is 1, by definition!).