Is 40739107 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 40 739 107 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 40 739 107, the only two divisors are 1 and 40 739 107. Therefore 40 739 107 is a prime number.
As a consequence, 40 739 107 is only a multiple of 1 and 40 739 107.
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Since 40739107 is a prime number, 40739107 is also a deficient number, that is to say 40739107 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 40739107 without 40739107 itself (that is 1, by definition!).