That's a prime factor.
5 is a prime factor of both numbers.
Yes.
a prime factor
No. The only factors of a prime number are 1 and itself. The only way that 21 could be a factor of a prime number is if it were a prime number, but it is not because 21 is also divisible by 3 and 7.
That's a prime factor.
5 is a prime factor of both numbers.
Yes.
Yes. Since 127 is a prime number it is also a prime factor.
Yes. 1,693 is a prime number and so it is also a prime factor.
a prime factor
A factor can or cannot be a prime number Ex: 2 is the factor of all other even numbers its a prime number but 9 is a factor of 18 and its not a prime number A prime is a factor but a factor being a prime number varies
30 has three prime numbers and is a factor of 60.
No. The only factors of a prime number are 1 and itself. The only way that 21 could be a factor of a prime number is if it were a prime number, but it is not because 21 is also divisible by 3 and 7.
They are: 3 and 7
3 and 7
2 and 5