Is 47848321 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 47 848 321 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 47 848 321, the only two divisors are 1 and 47 848 321. Therefore 47 848 321 is a prime number.
As a consequence, 47 848 321 is only a multiple of 1 and 47 848 321.
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Since 47848321 is a prime number, 47848321 is also a deficient number, that is to say 47848321 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 47848321 without 47848321 itself (that is 1, by definition!).