Is 13401467 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 13 401 467 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 13 401 467, the only two divisors are 1 and 13 401 467. Therefore 13 401 467 is a prime number.
As a consequence, 13 401 467 is only a multiple of 1 and 13 401 467.
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Since 13401467 is a prime number, 13401467 is also a deficient number, that is to say 13401467 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 13401467 without 13401467 itself (that is 1, by definition!).