Is 47018443 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 47 018 443 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 47 018 443, the only two divisors are 1 and 47 018 443. Therefore 47 018 443 is a prime number.
As a consequence, 47 018 443 is only a multiple of 1 and 47 018 443.
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Since 47018443 is a prime number, 47018443 is also a deficient number, that is to say 47018443 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 47018443 without 47018443 itself (that is 1, by definition!).