Really needed this.

~1.) 20 and 24
Common Factors:
____, ____, ____.

Greatest Common Factor:
____.

~2.) 9 and 21
Common Factors:
____, ____.
Greatest Common Factor:
____.

~3.) 24, 36, and 40
Common Factors:
____, ____, ____.
Greatest Common Factor:
____.

~Right Answer - Brainliest
~Nonsense - Reported

Needed this. Please answer it carefully, As i pleased. Thankyou for answering, at sana wag pong mali-maliin para lang po sa points. Thankyou so much!! ​