Is 502377809 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 502 377 809 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 502 377 809, the only two divisors are 1 and 502 377 809. Therefore 502 377 809 is a prime number.
As a consequence, 502 377 809 is only a multiple of 1 and 502 377 809.
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Since 502377809 is a prime number, 502377809 is also a deficient number, that is to say 502377809 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 502377809 without 502377809 itself (that is 1, by definition!).