Is 16900309 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 16 900 309 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 16 900 309, the only two divisors are 1 and 16 900 309. Therefore 16 900 309 is a prime number.
As a consequence, 16 900 309 is only a multiple of 1 and 16 900 309.
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Since 16900309 is a prime number, 16900309 is also a deficient number, that is to say 16900309 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 16900309 without 16900309 itself (that is 1, by definition!).