181 is a Prime number. The only two factors of a prime number are 1 and itself.
The two factors of 181 are 1 and 181. There are only two factors of a prime number.
The only factor pair of 181 is 1 x 181. There is only one factor pair of a prime number.
The proper factors of 181 are only 1 or,
if the definition you are using excludes 1, there are none.
The only prime factor of 181 is 181. There is only one prime factor of a prime number - itself.
The distinct prime factor (listing each prime factor only once) of 181 is also 181.
The prime factorization of 181 is 181. In some cases, to emphasize that it is prime, you might write the prime factorization as 1 x 181.
NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.
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181 is prime: its only factors are one and itself.
The factors of 181 are 1 and 181, as 181 is a prime number. Prime numbers are numbers that are only divisible by 1 and themselves. In this case, since 181 is only divisible by 1 and 181, those are the only factors of 181.
The factors of 905 are: 1 5 181 905 The prime factors are: 5 x 181
It is a prime number that can only be divided by 181 and 1
The numbers 181, 191, 193 and 197 are prime.