Is 47479969 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 47 479 969 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 47 479 969, the only two divisors are 1 and 47 479 969. Therefore 47 479 969 is a prime number.
As a consequence, 47 479 969 is only a multiple of 1 and 47 479 969.
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Since 47479969 is a prime number, 47479969 is also a deficient number, that is to say 47479969 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 47479969 without 47479969 itself (that is 1, by definition!).