Is 74338889 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 74 338 889 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 74 338 889, the only two divisors are 1 and 74 338 889. Therefore 74 338 889 is a prime number.
As a consequence, 74 338 889 is only a multiple of 1 and 74 338 889.
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Since 74338889 is a prime number, 74338889 is also a deficient number, that is to say 74338889 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 74338889 without 74338889 itself (that is 1, by definition!).