Is 67314427 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 67 314 427 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 67 314 427, the only two divisors are 1 and 67 314 427. Therefore 67 314 427 is a prime number.
As a consequence, 67 314 427 is only a multiple of 1 and 67 314 427.
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Since 67314427 is a prime number, 67314427 is also a deficient number, that is to say 67314427 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 67314427 without 67314427 itself (that is 1, by definition!).