Is 42134803 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 42 134 803 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 42 134 803, the only two divisors are 1 and 42 134 803. Therefore 42 134 803 is a prime number.
As a consequence, 42 134 803 is only a multiple of 1 and 42 134 803.
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Since 42134803 is a prime number, 42134803 is also a deficient number, that is to say 42134803 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 42134803 without 42134803 itself (that is 1, by definition!).