Is 47434243 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 47 434 243 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 47 434 243, the only two divisors are 1 and 47 434 243. Therefore 47 434 243 is a prime number.
As a consequence, 47 434 243 is only a multiple of 1 and 47 434 243.
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Since 47434243 is a prime number, 47434243 is also a deficient number, that is to say 47434243 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 47434243 without 47434243 itself (that is 1, by definition!).