Is 977739953 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 977 739 953 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 977 739 953, the only two divisors are 1 and 977 739 953. Therefore 977 739 953 is a prime number.
As a consequence, 977 739 953 is only a multiple of 1 and 977 739 953.
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Since 977739953 is a prime number, 977739953 is also a deficient number, that is to say 977739953 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 977739953 without 977739953 itself (that is 1, by definition!).