Is 40738499 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 40 738 499 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 40 738 499, the only two divisors are 1 and 40 738 499. Therefore 40 738 499 is a prime number.
As a consequence, 40 738 499 is only a multiple of 1 and 40 738 499.
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Since 40738499 is a prime number, 40738499 is also a deficient number, that is to say 40738499 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 40738499 without 40738499 itself (that is 1, by definition!).