Is 349790387 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 349 790 387 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 349 790 387, the only two divisors are 1 and 349 790 387. Therefore 349 790 387 is a prime number.
As a consequence, 349 790 387 is only a multiple of 1 and 349 790 387.
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Since 349790387 is a prime number, 349790387 is also a deficient number, that is to say 349790387 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 349790387 without 349790387 itself (that is 1, by definition!).