Is 42762001 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 42 762 001 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 42 762 001, the only two divisors are 1 and 42 762 001. Therefore 42 762 001 is a prime number.
As a consequence, 42 762 001 is only a multiple of 1 and 42 762 001.
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Since 42762001 is a prime number, 42762001 is also a deficient number, that is to say 42762001 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 42762001 without 42762001 itself (that is 1, by definition!).