Is 49172239 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 49 172 239 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 49 172 239, the only two divisors are 1 and 49 172 239. Therefore 49 172 239 is a prime number.
As a consequence, 49 172 239 is only a multiple of 1 and 49 172 239.
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Since 49172239 is a prime number, 49172239 is also a deficient number, that is to say 49172239 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 49172239 without 49172239 itself (that is 1, by definition!).