Is 40329397 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 40 329 397 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 40 329 397, the only two divisors are 1 and 40 329 397. Therefore 40 329 397 is a prime number.
As a consequence, 40 329 397 is only a multiple of 1 and 40 329 397.
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Since 40329397 is a prime number, 40329397 is also a deficient number, that is to say 40329397 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 40329397 without 40329397 itself (that is 1, by definition!).