1, 3, 5 are all prime factors of 15
3 and 5 only. 1 is a special number that has no factors but itself yet it is not counted as a Prime number.
15 is a factor of 45, but it is not a prime number.
No, 1 is not a prime number.
13 is a prime number. The only prime factor of a prime number is the number itself.
That's a prime factor.
Prime factor each number. Use each prime factor the most it was used in any one number. 15=3x5 25=5x5 30=2x3x5 2x3x5x5=150
15 is a factor of 45, but it is not a prime number.
15 is not a prime number, so it can't be a prime factor.
No, 1 is not a prime number.
Five is prime and a factor of both numbers.
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
Since the number 29 is prime, the greatest common factor of 15 and 29 is 1.
The prime factors of 15 are 3 and 5 because 3 and 5 are prime numbers that divide evenly into 15. 1 is a factor of 15, but it is not a prime number.
The number 1 is the only common factor of co-prime numbers, which is what makes them co-prime. 9 and 10 for example or 15 and 23.
It is 5 because 15 is not a prime number, it must be a prime number like 5
13 is a prime number. The only prime factor of a prime number is the number itself.
what number is not a prime factor
That's a prime factor.