Is 373 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
For 373, the answer is: yes, 373 is a prime number because it has only two distinct divisors: 1 and itself (373).
As a consequence, 373 is only a multiple of 1 and 373.
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Since 373 is a prime number, 373 is also a deficient number, that is to say 373 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 373 without 373 itself (that is 1, by definition!).