Is 109307087 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 109 307 087 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 109 307 087, the only two divisors are 1 and 109 307 087. Therefore 109 307 087 is a prime number.
As a consequence, 109 307 087 is only a multiple of 1 and 109 307 087.
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Since 109307087 is a prime number, 109307087 is also a deficient number, that is to say 109307087 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 109307087 without 109307087 itself (that is 1, by definition!).