Is 67442471 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 67 442 471 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 67 442 471, the only two divisors are 1 and 67 442 471. Therefore 67 442 471 is a prime number.
As a consequence, 67 442 471 is only a multiple of 1 and 67 442 471.
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Since 67442471 is a prime number, 67442471 is also a deficient number, that is to say 67442471 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 67442471 without 67442471 itself (that is 1, by definition!).