Is 137879743 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 137 879 743 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 137 879 743, the only two divisors are 1 and 137 879 743. Therefore 137 879 743 is a prime number.
As a consequence, 137 879 743 is only a multiple of 1 and 137 879 743.
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Since 137879743 is a prime number, 137879743 is also a deficient number, that is to say 137879743 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 137879743 without 137879743 itself (that is 1, by definition!).