Is 24121189 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 24 121 189 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 24 121 189, the only two divisors are 1 and 24 121 189. Therefore 24 121 189 is a prime number.
As a consequence, 24 121 189 is only a multiple of 1 and 24 121 189.
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Since 24121189 is a prime number, 24121189 is also a deficient number, that is to say 24121189 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 24121189 without 24121189 itself (that is 1, by definition!).