Prime numbers have two factors. Prime squares have three factors. Square numbers have an odd number of factors but that number varies.
No, no prime number has proper factors.
Prime numbers have two factors. 2, 3 and 5 are prime numbers.
Squares of prime numbers are the only numbers with three factors, since there must be only one nontrivial divisor for a number to have three factors. That number must thus be prime.
That's an infinite list. Numbers with three factors are the squares of prime numbers.
53 is a prime because its only factors are 1 and itself.
4, 9, 25, and 49
They all are prime numbers except 1
8,653,017
30 is the first with three distinct prime factors.
30 has three prime factors. The prime factors are 2,3,5.
It is 47.
The prime factors are... 1 & 3 !
There are an infinite number of them. 8 has three prime factors, 30 is the first with three distinct prime factors.
Approximately 13,000 people inhabitied ManHattan in 1753.
The factors of 53 are: 1, 53
There are no prime numbers with three factors. By definition, a prime number has exactly two factors - 1 and itself.