In mathematics, a natural number a is a unitary divisor (or Hall divisor) of a number b if a is a divisor of b and if a and b a {\displaystyle {\frac...

In mathematics, a divisor of an integer n , {\displaystyle n,} also called a factor of n , {\displaystyle n,} is an integer m {\displaystyle m} that may...

divisors. (A divisor d of a number n is a unitary divisor if d and n/d share no common factors.). A unitary multiply perfect number is simply a unitary multi...

sum of its positive proper unitary divisors, not including the number itself (a divisor d of a number n is a unitary divisor if d and n/d share no common...

number theory, a divisor function is an arithmetic function related to the divisors of an integer. When referred to as the divisor function, it counts...

In mathematics, the greatest common divisor (GCD), also known as greatest common factor (GCF), of two or more integers, which are not all zero, is the...

that a m = 1 mod c {\displaystyle am=1{\bmod {c}}} , and for each unitary divisor d {\displaystyle d} of N − 1 {\displaystyle N-1} let e = N − 1 d {\displaystyle...

Look up unitary in Wiktionary, the free dictionary. Unitary may refer to: Unitary divisor Unitary element Unitary group Unitary matrix Unitary morphism...

evenly. Every natural number has both 1 and itself as a divisor. If it has any other divisor, it cannot be prime. This leads to an equivalent definition...

integers. Equivalently, it is a positive integer that has at least one divisor other than 1 and itself. Every positive integer is composite, prime, or...