Is 13998043 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 13 998 043 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 13 998 043, the only two divisors are 1 and 13 998 043. Therefore 13 998 043 is a prime number.
As a consequence, 13 998 043 is only a multiple of 1 and 13 998 043.
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Since 13998043 is a prime number, 13998043 is also a deficient number, that is to say 13998043 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 13998043 without 13998043 itself (that is 1, by definition!).