Is 47196979 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 47 196 979 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 47 196 979, the only two divisors are 1 and 47 196 979. Therefore 47 196 979 is a prime number.
As a consequence, 47 196 979 is only a multiple of 1 and 47 196 979.
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Since 47196979 is a prime number, 47196979 is also a deficient number, that is to say 47196979 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 47196979 without 47196979 itself (that is 1, by definition!).