Is 55500077 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 55 500 077 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 55 500 077, the only two divisors are 1 and 55 500 077. Therefore 55 500 077 is a prime number.
As a consequence, 55 500 077 is only a multiple of 1 and 55 500 077.
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Since 55500077 is a prime number, 55500077 is also a deficient number, that is to say 55500077 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 55500077 without 55500077 itself (that is 1, by definition!).