Is 42716347 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 42 716 347 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 42 716 347, the only two divisors are 1 and 42 716 347. Therefore 42 716 347 is a prime number.
As a consequence, 42 716 347 is only a multiple of 1 and 42 716 347.
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Since 42716347 is a prime number, 42716347 is also a deficient number, that is to say 42716347 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 42716347 without 42716347 itself (that is 1, by definition!).