Is 42231073 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 42 231 073 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 42 231 073, the only two divisors are 1 and 42 231 073. Therefore 42 231 073 is a prime number.
As a consequence, 42 231 073 is only a multiple of 1 and 42 231 073.
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Since 42231073 is a prime number, 42231073 is also a deficient number, that is to say 42231073 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 42231073 without 42231073 itself (that is 1, by definition!).