Is 40738513 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 40 738 513 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 40 738 513, the only two divisors are 1 and 40 738 513. Therefore 40 738 513 is a prime number.
As a consequence, 40 738 513 is only a multiple of 1 and 40 738 513.
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Since 40738513 is a prime number, 40738513 is also a deficient number, that is to say 40738513 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 40738513 without 40738513 itself (that is 1, by definition!).