Is 47691977 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 47 691 977 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 47 691 977, the only two divisors are 1 and 47 691 977. Therefore 47 691 977 is a prime number.
As a consequence, 47 691 977 is only a multiple of 1 and 47 691 977.
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Since 47691977 is a prime number, 47691977 is also a deficient number, that is to say 47691977 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 47691977 without 47691977 itself (that is 1, by definition!).