Is 55165237 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 55 165 237 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 55 165 237, the only two divisors are 1 and 55 165 237. Therefore 55 165 237 is a prime number.
As a consequence, 55 165 237 is only a multiple of 1 and 55 165 237.
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Since 55165237 is a prime number, 55165237 is also a deficient number, that is to say 55165237 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 55165237 without 55165237 itself (that is 1, by definition!).