Welcome to Westonci.ca, the ultimate question and answer platform. Get expert answers to your questions quickly and accurately. Get immediate and reliable solutions to your questions from a community of experienced experts on our Q&A platform. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

Find the greatest common factor of 65a^3b^4 and 39a^4b^5.
A) 13a^3b^4
B) 6a^7b^5
C) 13a^7b^9
D) 6a^4b^5