Is 47431997 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 47 431 997 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 47 431 997, the only two divisors are 1 and 47 431 997. Therefore 47 431 997 is a prime number.
As a consequence, 47 431 997 is only a multiple of 1 and 47 431 997.
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Since 47431997 is a prime number, 47431997 is also a deficient number, that is to say 47431997 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 47431997 without 47431997 itself (that is 1, by definition!).