Is 72089929 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 72 089 929 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 72 089 929, the only two divisors are 1 and 72 089 929. Therefore 72 089 929 is a prime number.
As a consequence, 72 089 929 is only a multiple of 1 and 72 089 929.
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Since 72089929 is a prime number, 72089929 is also a deficient number, that is to say 72089929 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 72089929 without 72089929 itself (that is 1, by definition!).