Is 40374671 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 40 374 671 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 40 374 671, the only two divisors are 1 and 40 374 671. Therefore 40 374 671 is a prime number.
As a consequence, 40 374 671 is only a multiple of 1 and 40 374 671.
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Since 40374671 is a prime number, 40374671 is also a deficient number, that is to say 40374671 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 40374671 without 40374671 itself (that is 1, by definition!).