The factors of 14 are 1,2 7 and 14. The prime factors are 2 and 7.
http://wiki.answers.com/Q/What_are_the_prime_facto...

"Prime Factorization" is finding which prime numbers you need to multiply
http://www.chacha.com/question/whatistheprimef...

The prime factorization of 245 is: 5 x 7 x 7.
http://wiki.answers.com/Q/What_are_the_prime_facto...

147 has two prime factors: 3 and 7.
http://wiki.answers.com/Q/What_is_a_prime_factor_f...
