Is 55367971 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 55 367 971 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 55 367 971, the only two divisors are 1 and 55 367 971. Therefore 55 367 971 is a prime number.
As a consequence, 55 367 971 is only a multiple of 1 and 55 367 971.
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Since 55367971 is a prime number, 55367971 is also a deficient number, that is to say 55367971 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 55367971 without 55367971 itself (that is 1, by definition!).