1 and 3.
The factors of 53 are: 1, 53
Three factors: 1 11 121.
All three have eight factors.
All prime squares have exactly three factors.49 has exactly three factors: 1, 7, and 49.
The only factors of 23, which is a prime number, are 1 and 23.
Not only three! 1, 2, 3, 4, 6, 8, 12, and 24 are also all factors.
3 and 11
The factors of three are one and three.
All prime squares have three factors.
They don't. 21 has two prime factors. 42 has three prime factors.
That's an infinite list. Numbers with three factors are the squares of prime numbers.
1 , 33 , 3 , 11