Is 12988427 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 12 988 427 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 12 988 427, the only two divisors are 1 and 12 988 427. Therefore 12 988 427 is a prime number.
As a consequence, 12 988 427 is only a multiple of 1 and 12 988 427.
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Since 12988427 is a prime number, 12988427 is also a deficient number, that is to say 12988427 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 12988427 without 12988427 itself (that is 1, by definition!).