Is 38948443 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 38 948 443 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 38 948 443, the only two divisors are 1 and 38 948 443. Therefore 38 948 443 is a prime number.
As a consequence, 38 948 443 is only a multiple of 1 and 38 948 443.
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Since 38948443 is a prime number, 38948443 is also a deficient number, that is to say 38948443 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 38948443 without 38948443 itself (that is 1, by definition!).