Is 13598009 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 13 598 009 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 13 598 009, the only two divisors are 1 and 13 598 009. Therefore 13 598 009 is a prime number.
As a consequence, 13 598 009 is only a multiple of 1 and 13 598 009.
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Since 13598009 is a prime number, 13598009 is also a deficient number, that is to say 13598009 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 13598009 without 13598009 itself (that is 1, by definition!).