Is 378074941 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 378 074 941 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 378 074 941, the only two divisors are 1 and 378 074 941. Therefore 378 074 941 is a prime number.
As a consequence, 378 074 941 is only a multiple of 1 and 378 074 941.
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Since 378074941 is a prime number, 378074941 is also a deficient number, that is to say 378074941 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 378074941 without 378074941 itself (that is 1, by definition!).