Is 49490743 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 49 490 743 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 49 490 743, the only two divisors are 1 and 49 490 743. Therefore 49 490 743 is a prime number.
As a consequence, 49 490 743 is only a multiple of 1 and 49 490 743.
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Since 49490743 is a prime number, 49490743 is also a deficient number, that is to say 49490743 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 49490743 without 49490743 itself (that is 1, by definition!).