a prime n has only two factors: 1 and n
distinct primes have no common factors other than 1.
so, 1 = GCF
What is the GCF of two different prime numbers? Explain ur reasoning.
2 answers
Use the definition of a prime number.
http://www.mathsisfun.com/prime_numbers.html
http://www.mathsisfun.com/prime_numbers.html