Forty.
The least common factor of any set of integers is 1.
29,31 41,43
No, thirty is 75% of forty.
thirty, thirty-one, thirty-two, thirty-three, thirty-four, thirty-five, thirty-six, thirty-seven, thirty-eight, thirty nine, forty
one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty twenty one twenty two twenty three twenty four twenty six twenty seven twenty eight twenty nine thirty thirty one thirty two thirty three thirty four thirty five thirty six thirty seven thirty eight thirty nine forty forty one forty two forty three forty four forty five forty six forty seven forty eight forty nine fifty
The GCF is 9.
http://www.youtube.com/watch?v=9acI8EWNqzg
31/48Thirty one forty eighths.
Thirty million, forty-six thousand, twenty-two
1200
between thirty and forty percent