Is 13376003 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 13 376 003 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 13 376 003, the only two divisors are 1 and 13 376 003. Therefore 13 376 003 is a prime number.
As a consequence, 13 376 003 is only a multiple of 1 and 13 376 003.
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Since 13376003 is a prime number, 13376003 is also a deficient number, that is to say 13376003 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 13376003 without 13376003 itself (that is 1, by definition!).