Is 237009947 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 237 009 947 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 237 009 947, the only two divisors are 1 and 237 009 947. Therefore 237 009 947 is a prime number.
As a consequence, 237 009 947 is only a multiple of 1 and 237 009 947.
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Since 237009947 is a prime number, 237009947 is also a deficient number, that is to say 237009947 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 237009947 without 237009947 itself (that is 1, by definition!).