Is 61329361 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 61 329 361 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 61 329 361, the only two divisors are 1 and 61 329 361. Therefore 61 329 361 is a prime number.
As a consequence, 61 329 361 is only a multiple of 1 and 61 329 361.
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Since 61329361 is a prime number, 61329361 is also a deficient number, that is to say 61329361 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 61329361 without 61329361 itself (that is 1, by definition!).