Is 24019789 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 24 019 789 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 24 019 789, the only two divisors are 1 and 24 019 789. Therefore 24 019 789 is a prime number.
As a consequence, 24 019 789 is only a multiple of 1 and 24 019 789.
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Since 24019789 is a prime number, 24019789 is also a deficient number, that is to say 24019789 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 24019789 without 24019789 itself (that is 1, by definition!).